Run clear-pr-merge-commit-message only once per load (#6330)

source/features/clear-pr-merge-commit-message.tsx

@@ -7,8 +7,12 @@ import features from '../feature-manager';
 import {getBranches} from './update-pr-from-base-branch';
 import getDefaultBranch from '../github-helpers/get-default-branch';
 import onPrMergePanelOpen from '../github-events/on-pr-merge-panel-open';
+import attachElement from '../helpers/attach-element';
 
 async function init(): Promise<void | false> {
+ // Only run once so that it doesn't clear the field every time it's opened
+ features.unload(import.meta.url);
+
  const messageField = select('textarea#merge_message_field')!;
  const originalMessage = messageField.value;
  const preservedContent = new Set();
@@ -33,12 +37,16 @@ async function init(): Promise<void | false> {
  }
 
  set(messageField, cleanedMessage);
- messageField.after(
- <p className="note">
- The description field was cleared by <a target="_blank" href="https://github.com/refined-github/refined-github/wiki/Extended-feature-descriptions#clear-pr-merge-commit-message" rel="noreferrer">Refined GitHub</a>.
- </p>,
- <hr/>,
- );
+ attachElement(messageField, {
+ after: () => (
+ <div>
+ <p className="note">
+ The description field was cleared by <a target="_blank" href="https://github.com/refined-github/refined-github/wiki/Extended-feature-descriptions#clear-pr-merge-commit-message" rel="noreferrer">Refined GitHub</a>.
+ </p>
+ <hr/>
+ </div>
+ ),
+ });
 }
 
 void features.add(import.meta.url, {