message: Fix a small regression which broke the focus after dismissing the command palette pop down
diff: @@ -601,9 +601,13 @@ function startUpCommandPalette(): void {
  function handleCommandPaletteRequest(request: CommandPaletteRequest): void {
  DomUtils.doLater( () => {
  + const commandableStack: Commandable[] = [...request.commandableStack, {executeCommand, getCommandPaletteEntries}];
  +
  + const firstCommandable = commandableStack[0];
  + if (firstCommandable instanceof HTMLElement) {
  + commandPaletteRequestSource = firstCommandable;
  + }
  - const commandableStack: Commandable[] = [...request.commandableStack,
  - { executeCommand, getCommandPaletteEntries}];
  commandPaletteRequestEntries = _.flatten(commandableStack.map(commandable => commandable.getCommandPaletteEntries(commandableStack)));
  const paletteEntries = commandPaletteRequestEntries.map( (entry, index): CommandPaletteTypes.CommandEntry => {
  