Close NC sidebar on file open

- For internal shared links of Office documents sidebar gets open by default
    - sidebar should not open at all when we click on document file or file gets opened by shared link

Signed-off-by: Darshan-upadhyay1110 <darshan.upadhyay@collabora.com>

src/view/Office.vue

@@ -221,6 +221,8 @@ export default {
 					this.postMessage.sendWOPIPostMessage(FRAME_DOCUMENT, msgId, values)
 				},
 			})
+
+			window.OCA?.Files?.Sidebar?.close()
 		}
 		this.postMessage.registerPostMessageHandler(this.postMessageHandler)