[FIX] web_widget_x2many_2d_matrix: Handle no record for cell to prevent errors

Author: cuongnmtm

web_widget_x2many_2d_matrix/static/src/components/x2many_2d_matrix_renderer/x2many_2d_matrix_renderer.esm.js

@@ -164,15 +164,16 @@ export class X2Many2DMatrixRenderer extends Component {
             record: record,
             name: this.matrixFields.value,
         };
-        const domain = record.fields[this.matrixFields.value].domain;
-        if ((Array.isArray(domain) || typeof domain === "string") && domain.length) {
+        const domain = record ? record.fields[this.matrixFields.value].domain : "[]";
+        if (
+            record &&
+            (Array.isArray(domain) || typeof domain === "string") &&
+            domain.length
+        ) {
             result.domain = new Domain(
                 evaluateExpr(domain, record.evalContext)
             ).toList();
         }
-        if (value === null) {
-            result.readonly = true;
-        }
         return result;
     }
 }

web_widget_x2many_2d_matrix/static/src/components/x2many_2d_matrix_renderer/x2many_2d_matrix_renderer.xml

@@ -26,6 +26,7 @@
                     </td>
                     <td t-foreach="columns" t-as="column" t-key="column.value">
                         <t
+                            t-if="!!getValueFieldProps(column.value, row.value).record"
                             t-component="ValueFieldComponent"
                             t-props="getValueFieldProps(column.value, row.value)"
                             record="getValueFieldProps(column.value, row.value).record"