Improved handling of deleting last space

src/editor/editor.tsx

@@ -462,9 +462,12 @@ export class Editor extends React.PureComponent<any, stateTypes> {
     private deleteSpace(spaceId: string): Promise<void> {
         return deleteGraphJson(spaceId).then(() => {
             // Select first space in list if available, otherwise select defaul space (which will be created)
+            const remainingSpacesList: string[] = this.state.spaces.filter(
+                (space: string) => space != spaceId
+            );
             const selectSpaceId: string =
-                this.state.spaces.length > 0
-                    ? this.state.spaces[0]
+                remainingSpacesList.length > 0
+                    ? remainingSpacesList[0]
                     : Config.SPACE;
 
             this.loadSpace(selectSpaceId);