Add field layout setting to BB reference field

packages/client/manifest.json

@@ -6104,6 +6104,34 @@
         "label": "Disabled",
         "key": "disabled",
         "defaultValue": false
+      },
+      {
+        "type": "select",
+        "label": "Layout",
+        "key": "span",
+        "defaultValue": 6,
+        "showInBar": true,
+        "barStyle": "buttons",
+        "options": [
+          {
+            "label": "1 column",
+            "value": 6,
+            "barIcon": "Stop",
+            "barTitle": "1 column"
+          },
+          {
+            "label": "2 columns",
+            "value": 3,
+            "barIcon": "ColumnTwoA",
+            "barTitle": "2 columns"
+          },
+          {
+            "label": "3 columns",
+            "value": 2,
+            "barIcon": "ViewColumn",
+            "barTitle": "3 columns"
+          }
+        ]
       }
     ]
   }