Only update content when navigating in a wiki

src/scenes/DocumentScene/DocumentScene.js

@@ -42,7 +42,7 @@ class DocumentScene extends React.Component {
     const oldId = this.props.params.id;
     const newId = nextProps.params.id;
     if (oldId !== newId) {
-      this.store.fetchDocument(newId);
+      this.store.fetchDocument(newId, true);
     }
 
     // Scroll to anchor after loading, and only once
@@ -137,7 +137,11 @@ class DocumentScene extends React.Component {
             ) : null }
             <Flex flex={ true } justify={ 'center' }>
               <CenteredContent>
-                <Document document={ doc } />
+                { this.store.updatingContent ? (
+                  <AtlasPreviewLoading />
+                ) : (
+                  <Document document={ doc } />
+                ) }
               </CenteredContent>
             </Flex>
           </Flex>

src/scenes/DocumentScene/DocumentSceneStore.js

@@ -7,6 +7,7 @@ class DocumentSceneStore {
   @observable document;
 
   @observable isFetching = true;
+  @observable updatingContent = false;
   @observable updatingStructure = false;
   @observable isDeleting;
 
@@ -19,9 +20,9 @@ class DocumentSceneStore {
 
   /* Actions */
 
-  @action fetchDocument = async (id) => {
+  @action fetchDocument = async (id, softLoad) => {
-    this.isFetching = true;
+    this.isFetching = !softLoad;
-    this.document = null;
+    this.updatingContent = softLoad;
 
     try {
       const res = await client.post('/documents.info', { id: id });
@@ -33,6 +34,7 @@ class DocumentSceneStore {
       console.error("Something went wrong");
     }
     this.isFetching = false;
+    this.updatingContent = false;
   }
 
   @action deleteDocument = async () => {