Merge pull request #2117 from bcgov/feature/EDX-3087

Defensive check to avoid blank signatory records in DB.

frontend/src/components/sdcCollection/sdcDistrictCollection/StepSevenFinalSubmission.vue

@@ -110,7 +110,7 @@ export default {
       });
     },
     isSignedByAllParties(submissionSignatures) {
-      return submissionSignatures ? submissionSignatures.length === 3 : false;
+      return submissionSignatures ? submissionSignatures.filter(signer => signer.districtSignatoryUserID && signer.districtSignatoryUserID !== '').length === 3 : false;
     }
   }
 };