chore(typescript): improve close PR action (#10229)

# Which Problems Are Solved

The close PR action currently fails because of unescaped backticks.

# How the Problems Are Solved

Backticks are escaped.

# Additional Changes

- Adding a login remote immediately fetches for better UX.
- Adding a subtree is not necessary, as it is already added in the repo.
- Fix and clarify PR migration steps.
- Add workflow dispatch event

login/.github/workflows/close_pr.yml

@@ -1,6 +1,7 @@
 name: Auto-close PRs and guide to correct repo
 
 on:
+  workflow_dispatch:
   pull_request_target:
     types: [opened]
 
@@ -14,14 +15,17 @@ jobs:
         with:
           script: |
             const message = `
-            👋 **Thanks for your contribution!**
+            👋 **Thanks for your contribution @${{ github.event.pull_request.user.login }}!**
             
-            This repository \`${{ github.repository }}\` is a read-only mirror of our internal development in [\`zitadel/zitadel\`](https://github.com/zitadel/zitadel).
-            Therefore, we close this pull request automatically, but submitting your changes to the main repository is easy:
-            1. Fork and clone zitadel/zitadel
-            2. Create a new branch for your changes
-            3. Pull your changes into the new fork by running `make login_pull LOGIN_REMOTE_URL=<your-typescript-fork-org>/typescript LOGIN_REMOTE_BRANCH=<your-typescript-fork-branch>`.
-            4. Push your changes and open a pull request to zitadel/zitadel
+            This repository \`${{ github.repository }}\` is a read-only mirror of the git subtree at [\`zitadel/zitadel/login`](https://github.com/zitadel/zitadel).
+            Therefore, we close this pull request automatically.
+
+            Your changes are not lost. Submitting them to the main repository is easy:
+            1. [Fork zitadel/zitadel](https://github.com/zitadel/zitadel/fork)
+            2. Clone your Zitadel fork \`git clone https://github.com/<your-owner>/zitadel.git\`
+            3. Change directory to your Zitadel forks root.
+            4. Pull your changes into the Zitadel fork by running \`make login_pull LOGIN_REMOTE_URL=https://github.com/<your-owner>/typescript.git LOGIN_REMOTE_BRANCH=<your-typescript-fork-branch>\`.
+            5. Push your changes and [open a pull request to zitadel/zitadel](https://github.com/zitadel/zitadel/compare)
             `.trim();
             await github.rest.issues.createComment({
                 ...context.repo,