Refactor template ctx and render utils (#32422)

Clean up the templates

modules/templates/util_date_legacy.go

@@ -0,0 +1,23 @@
+// Copyright 2024 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package templates
+
+import (
+	"html/template"
+
+	"code.gitea.io/gitea/modules/translation"
+)
+
+func dateTimeLegacy(format string, datetime any, _ ...string) template.HTML {
+	panicIfDevOrTesting()
+	if s, ok := datetime.(string); ok {
+		datetime = parseLegacy(s)
+	}
+	return dateTimeFormat(format, datetime)
+}
+
+func timeSinceLegacy(time any, _ translation.Locale) template.HTML {
+	panicIfDevOrTesting()
+	return TimeSince(time)
+}