plasma-workspace backport request

[Rik Mills]

Thanks! Tested and added to Kubuntu 20.10.

On 16/09/2020 04:44, Nate Graham wrote:
> Hello faithful distro packagers!
> 
> Those of you who have shipped Plasma 5.19.5 and Frameworks 5.74 may want
> to cherry-pick
> https://invent.kde.org/plasma/plasma-workspace/-/commit/9a8fc811282e303ec2f93c978228a85961dae263
> into your plasma-workspace package.
> 
> This commit fixes an issue with the login button on the lock and login
> screens being too small following a Frameworks change. The buttons were
> sized incorrectly before, but it worked anyway due to another bug in
> plasma-framework which just got fixed in 5.74.
> 
> 
> Nate
>