Remove left panel by DOM manipulation

src/Ticket.vue

@@ -134,7 +134,20 @@ export default {
 				elementWebFrame.contentWindow.mxDispatcher.dispatch({
 					action: 'view_room',
 					room_id: matrixInfoResponse.data.matrixChatRoom,
+				}, true)
+
+				// removes left panel by DOM manipulation
+				const matrixchat = elementWebFrame.contentDocument.getElementById('matrixchat')
+				console.debug(matrixchat)
+				const observerConfig = { attributes: false, childList: true, subtree: true }
+				const observer = new MutationObserver((mutationsList, observer) => {
+					console.debug('observer kicked', observer)
+					const leftPanelsByClass = elementWebFrame.contentDocument.getElementsByClassName('mx_LeftPanel_outerWrapper')
+					for (const leftPanel of leftPanelsByClass) {
+						leftPanel.remove()
+					}
 				})
+				observer.observe(matrixchat, observerConfig)
 			}).catch(console.error)
 		},
 	},