After PatternFly5 update: Add page > more button dropdown is too wide

Issue 50 from https://docs.google.com/spreadsheets/d/1TR3ENY-GE_LQL9F-xH6NahtRHdu6IrYGhLqDDA8y0EI/edit#gid=1035185624

Add page dropdown doesn't break anymore and overlays if the window is too small.

Screenshots:

1. https://drive.google.com/file/d/1ce5Vj8ol2R2kbXA94Z_RT7iA7-mpxDT8/view?usp=drive_link
2. https://drive.google.com/file/d/1DXDnl-bmnSPXn99LxftS0hKKmVDM0FxN/view?usp=drive_link