fix: column/metric type icons look too small

[mistercrunch]

SUMMARY

cosmetic fixes in the control panel:

• column/metric icons look too small (some regression)
• tooltip was poorly designed, emphasis on the wrong place (label over actual info of data type), missing a space

Closes #24730

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

before

#### after

before

after

TESTING INSTRUCTIONS

make sure things look good

[michael-s-molina]

@mistercrunch I added "Closes #24730" to the PR description to automatically close the issue when this PR is merged.

[michael-s-molina]

@mistercrunch @eschutho Is #24747 a duplicate of this PR or a complement to it?

[codecov]

Codecov Report

Merging #24740 (348813f) into master (11bb8c3) will decrease coverage by 10.54%.
The diff coverage is 41.02%.

❗ Current head 348813f differs from pull request most recent head 2bfb41d. Consider uploading reports for the commit 2bfb41d to get more accurate results

@@             Coverage Diff             @@
##           master   #24740       +/-   ##
===========================================
- Coverage   68.89%   58.35%   -10.54%     
===========================================
  Files        1901     1901               
  Lines       73927    73933        +6     
  Branches     8183     8183               
===========================================
- Hits        50932    43146     -7786     
- Misses      20874    28666     +7792     
  Partials     2121     2121               

Flag	Coverage Δ
javascript	55.71% <ø> (ø)
mysql	?
postgres	?
sqlite	?

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...src/components/ColumnTypeLabel/ColumnTypeLabel.tsx	100.00% <ø> (ø)
...rontend/src/filters/components/Range/buildQuery.ts	0.00% <ø> (ø)
superset/charts/commands/warm_up_cache.py	27.77% <12.00%> (-69.73%)	⬇️
superset/views/core.py	34.20% <75.00%> (-36.15%)	⬇️
superset/charts/commands/export.py	52.94% <100.00%> (-41.18%)	⬇️
superset/databases/commands/importers/v1/utils.py	88.88% <100.00%> (-11.12%)	⬇️

... and 289 files with indirect coverage changes

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more

[eschutho]

@mistercrunch @eschutho Is #24747 a duplicate of this PR or a complement to it?

complement