Fine tune more downdrop settings, use SVG for labels, improve Repo Topic Edit form

[wxiaoguang]

Although it seems that some different purposes are mixed in this PR, however, they are all related, and can be tested together, so I put them together to save everyone's time.

Diff: +79 −84, everything becomes much better.

Improve the dropdown settings.

Move all fomantic-init related code into our fomantic.js

Fine-tune some dropdown global settings, see the comments.

Also help to fix the first problem in #23625 , cc: @yp05327

The "language" menu has been simplified, and it works with small-height window better.

Use SVG instead of <i class="delete icon">

It's also done by $.fn.dropdown.settings.templates.label , cc: @silverwind

Remove incorrect tabable CSS class

It doesn't have CSS styles, and it was only in Vue. So it's totally unnecessary, remove it by the way.

Improve the Repo Topic Edit form

• Simplify the code
• Add a "Cancel" button
• Align elements

Before:

After:

[silverwind]

It's also done by $.fn.dropdown.settings.templates.label , cc: @silverwind

Nice, one step closer to removing FontAwesome. Do whe know which other parts of Fomantic are using icon fonts?

[wxiaoguang]

Do whe know which other parts of Fomantic are using icon fonts?

I have no idea at the moment. Maybe in the future, grepping the Fomantic source code would give some answers.

[silverwind]

I imagine we need to remove the icon module when we do that, and I guess that module is imported in various other fomantic modules.

[codecov-commenter]

Codecov Report

Merging #23626 (25cc669) into main (f521e88) will increase coverage by 0.01%.
The diff coverage is 41.40%.

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@@            Coverage Diff             @@
##             main   #23626      +/-   ##
==========================================
+ Coverage   47.14%   47.16%   +0.01%     
==========================================
  Files        1149     1155       +6     
  Lines      151446   152396     +950     
==========================================
+ Hits        71397    71870     +473     
- Misses      71611    72055     +444     
- Partials     8438     8471      +33     

Impacted Files	Coverage Δ
cmd/dump.go	0.66% <0.00%> (-0.01%)	⬇️
cmd/web.go	0.00% <0.00%> (ø)
models/actions/run.go	1.64% <0.00%> (-0.08%)	⬇️
models/actions/runner.go	1.44% <ø> (ø)
models/packages/package.go	45.45% <0.00%> (-1.13%)	⬇️
models/user/search.go	77.50% <0.00%> (-6.29%)	⬇️
modules/actions/workflows.go	0.00% <0.00%> (ø)
modules/context/context.go	64.54% <0.00%> (-3.53%)	⬇️
modules/doctor/storage.go	30.65% <0.00%> (-1.29%)	⬇️
modules/setting/git.go	45.45% <ø> (ø)
... and 37 more

... and 43 files with indirect coverage changes

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