Dolphin backport request

[Norbert Preining]

Hi Nate

> Thanks Norbert! Would you be willing to submit your patch as a merge request

Please see 
https://invent.kde.org/system/dolphin/-/merge_requests/164

> 1. Make sure to should guard the button behind an #ifdef to make sure it
> only appears when using Frameworks 5.78 (otherwise people will see two of
> them).

Not sure what is the "correct" way, so please feel free to fix up or
comment on the MR.

Best

Norbert

--
PREINING Norbert                              https://www.preining.info
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