fix: CommonForm error

- dont use computed fields

schemas/app/Invoice.json

@@ -143,7 +143,6 @@
       "fieldname": "makeAutoPayment",
       "label": "Make Payment On Submit",
       "fieldtype": "Check",
-      "computed": true,
       "default": false,
       "readOnly": false,
       "tab": "Settings"

src/pages/CommonForm/CommonForm.vue

@@ -357,9 +357,8 @@ export default defineComponent({
 
       const group = this.groupedFields.get(this.activeTab);
       if (!group) {
-        throw new ValidationError(
-          `Tab group ${this.activeTab} has no value set`
-        );
+        const tab = [...this.groupedFields.keys()][0];
+        return this.groupedFields.get(tab) ?? new Map();
       }
 
       return group;