Migrate margin and padding helpers to tailwind (#30043)
This will conclude the refactor of 1:1 class replacements to tailwind,
except `gt-hidden`. Commands ran:
```bash
perl -p -i -e 's#gt-(p|m)([lrtbxy])?-0#tw-$1$2-0#g' {web_src/js,templates,routers,services}/**/*
perl -p -i -e 's#gt-(p|m)([lrtbxy])?-1#tw-$1$2-0.5#g' {web_src/js,templates,routers,services}/**/*
perl -p -i -e 's#gt-(p|m)([lrtbxy])?-2#tw-$1$2-1#g' {web_src/js,templates,routers,services}/**/*
perl -p -i -e 's#gt-(p|m)([lrtbxy])?-3#tw-$1$2-2#g' {web_src/js,templates,routers,services}/**/*
perl -p -i -e 's#gt-(p|m)([lrtbxy])?-4#tw-$1$2-4#g' {web_src/js,templates,routers,services}/**/*
perl -p -i -e 's#gt-(p|m)([lrtbxy])?-5#tw-$1$2-8#g' {web_src/js,templates,routers,services}/**/*
```
(cherry picked from commit 68ec9b48592fe88765bcc3a73093d43c98b315de)
Conflicts:
routers/web/repo/view.go
templates/base/head_navbar.tmpl
templates/repo/code/recently_pushed_new_branches.tmpl
templates/repo/diff/box.tmpl
templates/repo/diff/compare.tmpl
templates/repo/diff/conversation.tmpl
templates/repo/header.tmpl
templates/repo/issue/filter_list.tmpl
templates/repo/issue/view_content/conversation.tmpl
templates/repo/issue/view_content/sidebar.tmpl
templates/repo/settings/options.tmpl
templates/repo/view_file.tmpl
templates/shared/user/blocked_users.tmpl
templates/status/500.tmpl
web_src/js/components/DashboardRepoList.vue
resolved by prefering Forgejo version and applying the
commands to all files
c82bef515e