feat: make claim number editable in Edit Claim Status modal

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

apps/Backend/src/routes/claims.ts

@@ -1287,6 +1287,7 @@ router.put("/:id", async (req: Request, res: Response): Promise<any> => {
       serviceDate: toOptionalDate(req.body.serviceDate),
       insuranceProvider: req.body.insuranceProvider,
       status: req.body.status,
+      ...(req.body.claimNumber != null ? { claimNumber: req.body.claimNumber } : {}),
       ...(req.body.npiProviderId ? { npiProviderId: Number(req.body.npiProviderId) } : {}),
     });
     const updatedClaim = await storage.updateClaim(claimId, claimData);