feat: Trim whitespace from message bodies and enhance emoji usage integration

src/app/paarrot-api.ts

@@ -344,7 +344,7 @@ async function sendMessage(matrixClient: any, roomId: string, message: string) {
 
   const content = {
     msgtype: 'm.text',
-    body: message,
+    body: message.trim(),
   };
 
   const result = await matrixClient.sendMessage(roomId, content);