[ButtonBase] Fix potential memory leak for multi-touch devices

[eps1lon]

Discovered during work on #19332. I originally thought this wasn't a valid sequence anyway but on any multi-touch devices you could fire multiple touchstart before a touchend. The touchend as well as unmounting only cleanup a single timer from touchstart. The other ones are effectively orphaned.

[mui-pr-bot]

Details of bundle changes.

Comparing: a9a5f9f...7a350fd

bundle	Size Change	Size	Gzip Change	Gzip
docs.main	▲ +18 B (0.00% )	596 kB	▲ +4 B (0.00% )	194 kB
Checkbox	▲ +18 B (+0.02% )	83.2 kB	▲ +3 B (+0.01% )	26.3 kB
Tabs	▲ +18 B (+0.02% )	85.8 kB	▲ +3 B (+0.01% )	27.2 kB
@material-ui/core[umd]	▲ +18 B (+0.01% )	318 kB	▲ +2 B (0.00% )	92 kB
SpeedDial	▲ +18 B (+0.02% )	86.4 kB	▲ +2 B (+0.01% )	27.2 kB
TablePagination	▲ +18 B (+0.01% )	144 kB	▼ -2 B (-0.00% )	42 kB
@material-ui/core	▲ +18 B (0.00% )	361 kB	▼ -1 B (-0.00% )	98.8 kB
Alert	▲ +18 B (+0.02% )	84 kB	▲ +1 B (0.00% )	26.3 kB
Autocomplete	▲ +18 B (+0.01% )	132 kB	▲ +1 B (0.00% )	41.3 kB
Button	▲ +18 B (+0.02% )	79.9 kB	▲ +1 B (0.00% )	24.5 kB
ButtonGroup	▲ +18 B (+0.02% )	83.4 kB	▲ +1 B (0.00% )	25.5 kB
Chip	▲ +18 B (+0.02% )	82.8 kB	▲ +1 B (0.00% )	25.4 kB
ExpansionPanelSummary	▲ +18 B (+0.02% )	78.3 kB	▲ +1 B (0.00% )	24.7 kB
Fab	▲ +18 B (+0.02% )	77 kB	▲ +1 B (0.00% )	24 kB
IconButton	▲ +18 B (+0.02% )	76.3 kB	▲ +1 B (0.00% )	23.8 kB
ListItem	▲ +18 B (+0.02% )	77.3 kB	▲ +1 B (0.00% )	24.2 kB
MenuItem	▲ +18 B (+0.02% )	78.4 kB	▲ +1 B (0.00% )	24.5 kB
Radio	▲ +18 B (+0.02% )	84.3 kB	▲ +1 B (0.00% )	26.6 kB
SpeedDialAction	▲ +18 B (+0.02% )	119 kB	▲ +1 B (0.00% )	37.5 kB
Switch	▲ +18 B (+0.02% )	82.4 kB	▲ +1 B (0.00% )	26 kB
Tab	▲ +18 B (+0.02% )	76.6 kB	▲ +1 B (0.00% )	24.2 kB
@material-ui/lab	▲ +18 B (+0.01% )	185 kB	--	55.2 kB
BottomNavigationAction	▲ +18 B (+0.02% )	75.7 kB	--	23.9 kB
ButtonBase	▲ +18 B (+0.02% )	74.2 kB	--	23.3 kB
CardActionArea	▲ +18 B (+0.02% )	75.3 kB	--	23.7 kB
StepButton	▲ +18 B (+0.02% )	82.5 kB	--	26.1 kB
TableSortLabel	▲ +18 B (+0.02% )	77.6 kB	--	24.4 kB
ToggleButton	▲ +18 B (+0.02% )	76.3 kB	--	24.2 kB
@material-ui/styles	--	51.2 kB	--	15.4 kB
@material-ui/system	--	14.8 kB	--	4.07 kB
AlertTitle	--	64.3 kB	--	20.2 kB
AppBar	--	64.1 kB	--	20 kB
Avatar	--	65.4 kB	--	20.6 kB
AvatarGroup	--	62.4 kB	--	19.6 kB
Backdrop	--	68 kB	--	21 kB
Badge	--	65.4 kB	--	20.4 kB
BottomNavigation	--	62.5 kB	--	19.6 kB
Box	--	71 kB	--	21.7 kB
Breadcrumbs	--	67.9 kB	--	21.3 kB
Card	--	63 kB	--	19.7 kB
CardActions	--	62.2 kB	--	19.5 kB
CardContent	--	62.1 kB	--	19.4 kB
CardHeader	--	65.2 kB	--	20.5 kB
CardMedia	--	62.5 kB	--	19.7 kB
CircularProgress	--	64.2 kB	--	20.3 kB
ClickAwayListener	--	3.91 kB	--	1.55 kB
Collapse	--	68.2 kB	--	21.1 kB
colorManipulator	--	3.88 kB	--	1.52 kB
Container	--	63.4 kB	--	19.8 kB
CssBaseline	--	57.7 kB	--	18.1 kB
Dialog	--	83.2 kB	--	25.9 kB
DialogActions	--	62.2 kB	--	19.5 kB
DialogContent	--	62.3 kB	--	19.5 kB
DialogContentText	--	64.2 kB	--	20.2 kB
DialogTitle	--	64.4 kB	--	20.2 kB
Divider	--	62.7 kB	--	19.7 kB
docs.landing	--	50.5 kB	--	13.3 kB
Drawer	--	85 kB	--	25.8 kB
ExpansionPanel	--	72.5 kB	--	22.7 kB
ExpansionPanelActions	--	62.2 kB	--	19.5 kB
ExpansionPanelDetails	--	62.1 kB	--	19.4 kB
Fade	--	23.6 kB	--	8 kB
FilledInput	--	73.7 kB	--	22.9 kB
FormControl	--	64.5 kB	--	20.1 kB
FormControlLabel	--	65.6 kB	--	20.6 kB
FormGroup	--	62.1 kB	--	19.5 kB
FormHelperText	--	63.5 kB	--	20 kB
FormLabel	--	63.6 kB	--	19.7 kB
Grid	--	65.2 kB	--	20.4 kB
GridList	--	62.6 kB	--	19.7 kB
GridListTile	--	63.9 kB	--	20 kB
GridListTileBar	--	63.3 kB	--	19.9 kB
Grow	--	24.2 kB	--	8.21 kB
Hidden	--	66.1 kB	--	20.7 kB
Icon	--	62.9 kB	--	19.7 kB
Input	--	72.6 kB	--	22.7 kB
InputAdornment	--	65.2 kB	--	20.5 kB
InputBase	--	70.8 kB	--	22.2 kB
InputLabel	--	65.5 kB	--	20.2 kB
LinearProgress	--	65.4 kB	--	20.5 kB
Link	--	66.7 kB	--	21.1 kB
List	--	62.5 kB	--	19.5 kB
ListItemAvatar	--	62.2 kB	--	19.5 kB
ListItemIcon	--	62.3 kB	--	19.5 kB
ListItemSecondaryAction	--	62.1 kB	--	19.5 kB
ListItemText	--	65.1 kB	--	20.4 kB
ListSubheader	--	62.9 kB	--	19.8 kB
Menu	--	88.9 kB	--	27.4 kB
MenuList	--	66.2 kB	--	20.7 kB
MobileStepper	--	68 kB	--	21.3 kB
Modal	--	14.5 kB	--	5.05 kB
NativeSelect	--	77 kB	--	24.3 kB
NoSsr	--	2.19 kB	--	1.04 kB
OutlinedInput	--	75 kB	--	23.3 kB
Paper	--	62.5 kB	--	19.5 kB
Popover	--	83.3 kB	--	25.8 kB
Popper	--	28.8 kB	--	10.3 kB
Portal	--	2.92 kB	--	1.3 kB
RadioGroup	--	64.6 kB	--	20 kB
Rating	--	70.6 kB	--	22.7 kB
RootRef	--	4.24 kB	--	1.64 kB
Select	--	117 kB	--	34.6 kB
Skeleton	--	63 kB	--	19.9 kB
Slide	--	25.6 kB	--	8.73 kB
Slider	--	76.8 kB	--	24.3 kB
Snackbar	--	75.5 kB	--	23.6 kB
SnackbarContent	--	63.7 kB	--	20.1 kB
SpeedDialIcon	--	64.7 kB	--	20.3 kB
Step	--	62.8 kB	--	19.7 kB
StepConnector	--	62.8 kB	--	19.8 kB
StepContent	--	69.3 kB	--	21.7 kB
StepIcon	--	64.8 kB	--	20.2 kB
StepLabel	--	68.7 kB	--	21.7 kB
Stepper	--	65 kB	--	20.5 kB
styles/createMuiTheme	--	16.6 kB	--	5.83 kB
SvgIcon	--	63.2 kB	--	19.8 kB
SwipeableDrawer	--	92.4 kB	--	28.9 kB
Table	--	62.7 kB	--	19.7 kB
TableBody	--	62.2 kB	--	19.5 kB
TableCell	--	64.2 kB	--	20.2 kB
TableContainer	--	62.1 kB	--	19.4 kB
TableFooter	--	62.2 kB	--	19.5 kB
TableHead	--	62.2 kB	--	19.5 kB
TableRow	--	62.6 kB	--	19.6 kB
TextareaAutosize	--	5.12 kB	--	2.14 kB
TextField	--	126 kB	--	36.6 kB
ToggleButtonGroup	--	63.3 kB	--	19.9 kB
Toolbar	--	62.5 kB	--	19.6 kB
Tooltip	--	102 kB	--	32.3 kB
TreeItem	--	74.1 kB	--	23.5 kB
TreeView	--	66.8 kB	--	21 kB
Typography	--	63.8 kB	--	20 kB
useAutocomplete	--	14.6 kB	--	5.26 kB
useMediaQuery	--	2.51 kB	--	1.06 kB
Zoom	--	23.6 kB	--	8.12 kB

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