#4967 Fixed issue of post not getting updated after edit, if the post was focused. (#5149)

webapp/components/edit_post_modal.jsx

@@ -93,7 +93,9 @@ export default class EditPostModal extends React.Component {
             updatedPost,
             () => {
                 window.scrollTo(0, 0);
-            });
+            },
+            Boolean(PostStore.getFocusedPostId())  // If there is focused post we need to update that post's store too.
+        );
 
         $('#edit_post').modal('hide');
     }
@@ -184,7 +186,10 @@ export default class EditPostModal extends React.Component {
     onModalHide() {
         if (this.state.refocusId !== '') {
             setTimeout(() => {
-                $(this.state.refocusId).get(0).focus();
+                const element = $(this.state.refocusId).get(0);
+                if (element) {
+                    element.focus();
+                }
             });
         }
     }