pass the account's contracts code as one combined string

pass the account's contracts code as one combined string to Cadence server for check

this fix the frontend warning for missing declarations

src/containers/Editor/components.tsx

@@ -187,7 +187,17 @@ const EditorContainer: React.FC<EditorContainerProps> = ({
       if (index < 0 || index >= project.accounts.length) {
         return
       }
-      return project.accounts[index].draftCode
+
+      // combine the account's contracts as one string
+      // and return for cadence server check
+      var combinedCode = '';
+      for (let i = 0; i < project.contracts.length; i++) {
+        if(project.contracts[i].index == index) {
+          combinedCode += project.contracts[i].script;
+        }
+      }
+
+      return combinedCode;
     }
 
   return (