Fix channel edit input size

app.js

@@ -291,6 +291,9 @@ function enterEditMode(roomItem) {
   const input = document.createElement('input');
   input.type = 'text';
   input.value = originalText;
+  input.style.maxWidth = '100%'; // Add this line to set the max width
+  input.style.boxSizing = 'border-box'; // Add this line to ensure padding and border are included in the width
+
   roomItem.appendChild(input);
 
   input.focus();