feat(plating): Sub 4 — Check All / Clear All buttons + fix QA-005 PDF logo render

- New bulk-toggle actions on fp.contract.review flip all 10 checklist
  items in Section 2.0 (and all 11 in Section 3.0) in one click.
  Rendered as "Check All" / "Clear All" buttons above each checklist.
  User can still tick boxes individually. Buttons hide once the
  section is signed (locked).
- Fix QA-005 PDF: replaced `to_text(...)` (not in QWeb context) with
  `image_data_uri(...)` for the company logo embed. PDF now renders
  with the full colour ENTECH logo (render size 103 KB).
- Smoke test extended: 5 new assertions covering bulk-toggle on/off
  and locked-section guard. 17/17 pass on entech.

fusion_plating_quality → 19.0.2.1.0

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

fusion_plating/fusion_plating_quality/reports/fp_contract_review_template.xml

@@ -46,7 +46,7 @@
                         <div class="qa005-title-row">
                             <div class="qa005-title-logo">
                                 <img t-if="doc.company_id.logo"
-                                     t-att-src="'data:image/png;base64,%s' % to_text(doc.company_id.logo)"
+                                     t-att-src="image_data_uri(doc.company_id.logo)"
                                      style="max-height: 45pt; max-width: 100%;"/>
                             </div>
                             <div class="qa005-title-center">