Remove polluted .ui.right (#26825)

Each change is tested manually line by line. There are too many changes
so I can't share dozens of screenshots.

In short:

1. `ui right` could be still used in `ui top attached header`, because
there is a special case.
2. A lot of `ui right` are just no-op, so they can be removed safely.
3. Some of the `ui right` should be replaced by `gt-float-right` (to
avoid breaking, leave them to the future).
4. A few of the `ui right` could be rewritten by flex.

templates/package/view.tmpl

@@ -87,7 +87,7 @@
 				{{end}}
 				<div class="divider"></div>
 				<strong>{{.locale.Tr "packages.versions"}} ({{.TotalVersionCount}})</strong>
-				<a class="ui right" href="{{$.PackageDescriptor.PackageWebLink}}/versions">{{.locale.Tr "packages.versions.view_all"}}</a>
+				<a class="gt-float-right" href="{{$.PackageDescriptor.PackageWebLink}}/versions">{{.locale.Tr "packages.versions.view_all"}}</a>
 				<div class="ui relaxed list">
 				{{range .LatestVersions}}
 					<div class="item gt-df">