Fix theme extensions not being bundled when there are no other ui extensions

[isaacroldan]

WHY are these changes introduced?

A bug was reported that theme extensions were not being uploaded. It's true in the case where you don't have other UI extensions.

Fixes #1311

WHAT is this pull request doing?

• Enable bundling if there are any ui OR theme extensions.

How to test your changes?

• Create a new project with just a theme app extension and try to deploy, you should see a new version in your partners dashboard

Measuring impact

How do we know this change was effective? Please choose one:

• n/a - this doesn't need measurement, e.g. a linting rule or a bug-fix
• Existing analytics will cater for this addition
• PR includes analytics changes to measure impact

Checklist

• I've considered possible cross-platform impacts (Mac, Linux, Windows)
• I've considered possible documentation changes
• I've made sure that any changes to dev or deploy have been reflected in the internal flowchart.

[github-actions]

Benchmark report

The following table contains a summary of the startup time for all commands.

Status	Command	Baseline (avg)	Current (avg)	Diff
🟢	app build	921.33 ms	951.67 ms	3.29 %
🟢	app deploy	1132.67 ms	1150 ms	1.53 %
🟢	app dev	1131.67 ms	1132.33 ms	0.06 %
🟢	app env pull	1021.33 ms	1039.33 ms	1.76 %
🟢	app env show	1026 ms	1044 ms	1.75 %
🟢	app function build	921.33 ms	932.33 ms	1.19 %
🟢	app function run	909.67 ms	934 ms	2.67 %
🟢	app function schema	1060.67 ms	1072.67 ms	1.13 %
🟢	app function typegen	912.33 ms	930.67 ms	2.01 %
🟢	app generate extension	1087.67 ms	1104.67 ms	1.56 %
🟢	app generate schema	1046.33 ms	1068.33 ms	2.1 %
🟢	app info	1022 ms	1045.33 ms	2.28 %
🟢	app scaffold extension	1091 ms	1107.33 ms	1.5 %
🟢	app update-url	996.67 ms	1037.33 ms	4.08 %
🟢	theme check	871 ms	871.67 ms	0.08 %
🟢	theme delete	981 ms	994.33 ms	1.36 %
🟢	theme dev	981 ms	986.67 ms	0.58 %
🟢	theme help-old	856.33 ms	870 ms	1.6 %
🟢	theme info	910 ms	923.67 ms	1.5 %
🟢	theme init	882.33 ms	896.33 ms	1.59 %
🟢	theme language-server	860.67 ms	860.33 ms	-0.04 %
🟢	theme list	979 ms	991.67 ms	1.29 %
🟢	theme open	982 ms	994.67 ms	1.29 %
🟢	theme package	906 ms	915.67 ms	1.07 %
🟢	theme publish	984.67 ms	993 ms	0.85 %
🟢	theme pull	979.67 ms	988 ms	0.85 %
🟢	theme push	980 ms	1016.67 ms	3.74 %
🟢	theme serve	985.33 ms	1002.67 ms	1.76 %
🟢	theme share	972.33 ms	990.33 ms	1.85 %
🟢	webhook trigger	968.33 ms	997.67 ms	3.03 %

[github-actions]

Coverage report

St.❔	Category	Percentage	Covered / Total
🟡	Statements	73.46% (+1.62% 🔼)	4099/5580
🟡	Branches	70.43% (+0.82% 🔼)	1846/2621
🟡	Functions	71.58% (+1.66% 🔼)	1078/1506
🟡	Lines	74.82% (+1.67% 🔼)	3913/5230

Test suite run success

1029 tests passing in 528 suites.

Report generated by 🧪jest coverage report action from 830617a