Add one-time v17.6.9 idempotency hotfix workflow

.github/workflows/hotfix-v1769-idempotent.yml

@@ -0,0 +1,36 @@
+name: Hotfix v17.6.9 offer workspace idempotency
+on:
+  push:
+    branches:
+      - feature/v17.6.9-offer-pdf-tabs-gallery
+permissions:
+  contents: write
+jobs:
+  patch:
+    if: github.actor != 'github-actions[bot]'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: feature/v17.6.9-offer-pdf-tabs-gallery
+      - name: Make offer tab rendering idempotent
+        shell: bash
+        run: |
+          python - <<'PY'
+          from pathlib import Path
+          p=Path('public/core/offer-workspace-v1769.js')
+          s=p.read_text()
+          old="const edit=$('sunOfferEdit');if(edit){edit.textContent=mode==='editor'?'К просмотру':'Редактировать';edit.setAttribute('aria-pressed',mode==='editor'?'true':'false')}"
+          new="const edit=$('sunOfferEdit');if(edit){const label=mode==='editor'?'К просмотру':'Редактировать';if(edit.textContent!==label)edit.textContent=label;edit.setAttribute('aria-pressed',mode==='editor'?'true':'false')}"
+          if old not in s:
+              raise SystemExit('target not found')
+          p.write_text(s.replace(old,new,1))
+          PY
+      - name: Commit hotfix
+        shell: bash
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
+          git add public/core/offer-workspace-v1769.js
+          git commit -m "Make v17.6.9 offer workspace rendering idempotent"
+          git push origin HEAD:feature/v17.6.9-offer-pdf-tabs-gallery