Merge branch 'fix-return-multiselect' into 'develop'

Fix console log error when starting selection in grid view

See merge request baserow/baserow!1587

web-frontend/modules/database/components/view/grid/GridView.vue

@@ -1093,6 +1093,10 @@ export default {
           }
         )
 
+        if (position === null) {
+          return
+        }
+
         let scrollDirection = 'both'
         if (position === 'head' && key === 'ArrowLeft') {
           scrollDirection = 'horizontal'