Fix cancel button in the page of project edit not work

[sillyguodong]

Before, in project edit page, the cancel button is not work.

Screen.Recording.2023-03-23.at.17.55.08.mov

1. The wrong classname cancel was added to the <a> tag. That classname caused the default click event of <a> tag to be cancelled. Because we have the following settings in the global. So I remove the classname cancel.

gitea/web_src/js/features/common-global.js

Lines 325 to 327 in 9be90a5

	$(document).on('click', 'form .ui.cancel.button', (e) => {
	e.preventDefault();
	});

2. Another change is that page will redirect to the previous page.

Screen.Recording.2023-03-23.at.19.15.23.mov

[wxiaoguang]

It's a regression of my suggestion in #23337

The proper fix should be : use $(document).on('click', 'form button.ui.cancel.button', (e) => { instead of $(document).on('click', 'form .ui.cancel.button', (e) => {

[codecov-commenter]

Codecov Report

Merging #23655 (3234df1) into main (f521e88) will increase coverage by 0.02%.
The diff coverage is 40.38%.

📣 This organization is not using Codecov’s GitHub App Integration. We recommend you install it so Codecov can continue to function properly for your repositories. Learn more

@@            Coverage Diff             @@
##             main   #23655      +/-   ##
==========================================
+ Coverage   47.14%   47.16%   +0.02%     
==========================================
  Files        1149     1154       +5     
  Lines      151446   152382     +936     
==========================================
+ Hits        71397    71873     +476     
- Misses      71611    72034     +423     
- Partials     8438     8475      +37     

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 33 more

... and 41 files with indirect coverage changes

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[GiteaBot]

I was unable to create a backport for 1.19, please send one manually. 🍵