feat: highlight source element when navigating from tables to edit page

Clicking the pencil icon in revenus/depenses tables now passes query
params to identify the source row. The edit page auto-expands the
matching section, scrolls to the element, and briefly highlights it
with a blue ring that fades after 2 seconds.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/plesna_gerance/api/routes/revenus.py

@@ -99,6 +99,7 @@ class RevenuDetailResponse(BaseModel):
     """Detail d'un revenu."""
 
     id: int
+    document_id: int
     document_date: str
     document_reference: str | None
     immeuble_code: str
@@ -442,6 +443,7 @@ async def get_revenus_details(
         results.append(
             RevenuDetailResponse(
                 id=rev.id,
+                document_id=rev.document_id,
                 document_date=str(row.document_date),
                 document_reference=row.document_reference,
                 immeuble_code=row.immeuble_code,