Backport ctx locale refactoring manually (#27231) (#27259) (#27260)

Backport #27231 #27259 manually

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Co-authored-by: delvh <dev.lh@web.de>

templates/admin/stats.tmpl

@@ -1,7 +1,7 @@
 {{template "admin/layout_head" (dict "ctxData" . "pageClass" "admin monitor")}}
 <div class="admin-setting-content">
 	<h4 class="ui top attached header">
-		{{.locale.Tr "admin.dashboard.statistic"}}
+		{{ctx.Locale.Tr "admin.dashboard.statistic"}}
 	</h4>
 	<div class="ui attached table segment">
 		<table class="ui very basic striped table unstackable">