Menu bar duplicates upon in-browser usage

[abrudz]

Describe the issue you are having

When running in-browser, some items in the menu bar cause the menu bar to become duplicated.

Did you connect to an already running interpreter or start the interpreter from RIDE?

Connect to already running

How do you reproduce the issue?

View > Show Workspace Explorer

Paste the contents of Help → About (Shift+F1)

IDE:
  Version: 4.2.3437
  Platform: Win32
  Date: 2019-08-13 14:55:17 +0200
  Git commit: 691f47856e05a36f70847313b23e061a0cf95392
  Preferences:{
    "wse":"1",
    "kbdLocale":"en_GB",
    "breakPts":"0",
    "colourScheme":"Francisco Goya"
  }

Interpreter:
  Version: 17.1.36845
  Platform: Linux-64
  Edition: Unicode/64
  Date: Aug 15 2019 at 00:13:45