Fix incorrect OAuth message (go-gitea#18332)

As the title,

Fix go-gitea#18327

Author: wxiaoguang

routers/web/auth/oauth.go

@@ -477,7 +477,7 @@ func AuthorizeOAuth(ctx *context.Context) {
 	ctx.Data["State"] = form.State
 	ctx.Data["Scope"] = form.Scope
 	ctx.Data["Nonce"] = form.Nonce
-	ctx.Data["ApplicationUserLink"] = "<a href=\"" + html.EscapeString(user.HTMLURL()) + "\">@" + html.EscapeString(user.Name) + "</a>"
+	ctx.Data["ApplicationUserLinkHTML"] = "<a href=\"" + html.EscapeString(user.HTMLURL()) + "\">@" + html.EscapeString(user.Name) + "</a>"
 	ctx.Data["ApplicationRedirectDomainHTML"] = "<strong>" + html.EscapeString(form.RedirectURI) + "</strong>"
 	// TODO document SESSION <=> FORM
 	err = ctx.Session.Set("client_id", app.ClientID)

templates/user/auth/grant.tmpl

@@ -9,11 +9,11 @@
 				{{template "base/alert" .}}
 				<p>
 					<b>{{.i18n.Tr "auth.authorize_application_description"}}</b><br/>
-					{{.i18n.Tr "auth.authorize_application_created_by" (.ApplicationUserLink|Escape) | Str2html}}
+					{{.i18n.Tr "auth.authorize_application_created_by" .ApplicationUserLinkHTML | Str2html}}
 				</p>
 			</div>
 			<div class="ui attached segment">
-				<p>{{.i18n.Tr "auth.authorize_redirect_notice" (.ApplicationRedirectDomainHTML|Escape) | Str2html}}</p>
+				<p>{{.i18n.Tr "auth.authorize_redirect_notice" .ApplicationRedirectDomainHTML | Str2html}}</p>
 			</div>
 			<div class="ui attached segment">
 				<form method="post" action="{{AppSubUrl}}/login/oauth/grant">