Merge pull request #7938 from telamonian/fix-command-palette-icon

avoid clobbering palette icon stylesheet

packages/apputils-extension/src/palette.ts

@@ -29,7 +29,6 @@ export class Palette implements ICommandPalette {
    */
   constructor(palette: CommandPalette) {
     this._palette = palette;
-    this._palette.title.icon = paletteIcon;
     this._palette.title.label = '';
     this._palette.title.caption = 'Command Palette';
   }