Use file.path to track more accurately EditorWrapper instances

Signed-off-by: Julien Veyssier <eneiluj@posteo.net>

Author: Julien Veyssier

src/views/RichWorkspace.vue

@@ -30,7 +30,7 @@
 
 		<EditorWrapper v-if="file"
 			v-show="ready"
-			:key="file.id"
+			:key="file.path"
 			:file-id="file.id"
 			:relative-path="file.path"
 			:share-token="shareToken"