[mirotalksfu] - fix typo

public/css/Room.css

@@ -158,12 +158,12 @@ body {
     position: absolute;
     margin: auto;
     padding: 10px;
-    width: 320px;
-    height: 480px;
+    min-width: 320px;
+    min-height: 480px;
     background: var(--msger-bg);
     box-shadow: var(--box-shadow);
     border-radius: 10px;
-    overflow: scroll;
+    overflow: hidden;
 }
 
 #mySettingsHeader {

public/js/Room.js

@@ -641,6 +641,7 @@ function handleButtons() {
         rc.hideFileTransfer();
     };
     whiteboardButton.onclick = () => {
+        rc.toggleMySettings();
         toggleWhiteboard();
     };
     whiteboardPencilBtn.onclick = () => {