chore: apply capitalization guidelines - iteration 8 (#12343)

[michael-s-molina]

SUMMARY

Apply capitalization guidelines defined in #12343.

@junlincc

TEST PLAN

Check if modified texts are following capitalization guidelines.

ADDITIONAL INFORMATION

• Has associated issue:
• Changes UI
• Requires DB Migration.
• Confirm DB Migration upgrade and downgrade tested.
• Introduces new feature or API
• Removes existing feature or API

[codecov-io]

Codecov Report

Merging #12454 (79e117a) into master (078a8a1) will decrease coverage by 2.67%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #12454      +/-   ##
==========================================
- Coverage   66.81%   64.14%   -2.68%     
==========================================
  Files        1015      486     -529     
  Lines       49544    29940   -19604     
  Branches     5080        0    -5080     
==========================================
- Hits        33102    19204   -13898     
+ Misses      16312    10736    -5576     
+ Partials      130        0     -130     

Flag	Coverage Δ
cypress	?
javascript	?
python	64.14% <ø> (+0.06%)	⬆️

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

Impacted Files	Coverage Δ
superset/databases/schemas.py	99.45% <0.00%> (-0.55%)	⬇️
superset/commands/importers/v1/utils.py	86.04% <0.00%> (-0.07%)	⬇️
superset/css_templates/api.py	95.74% <0.00%> (ø)
superset/annotation_layers/api.py	83.19% <0.00%> (ø)
superset/datasets/commands/importers/v1/utils.py	55.55% <0.00%> (ø)
superset-frontend/src/components/FaveStar.tsx
...tend/src/explore/components/DisplayQueryButton.jsx
.../src/dashboard/components/gridComponents/Chart.jsx
...set-frontend/src/views/CRUD/welcome/ChartTable.tsx
superset-frontend/src/components/Button/index.tsx
... and 513 more

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[adam-stasiak]

I see error in one test which can be triggered by this change.
Could you take care of this failing test?
AssertionError: Timed out retrying: Expected to find content: 'Add annotation layer' but never did.

[Steejay]

Added a capitalization edit.

[rusackas]

Thanks for the eagle eyes @Steejay! Once CSS is fixed, this looks good to go.