George Vogiatzis authored Feb 17, 2020 and Nate Graham committed Feb 17, 2020

Summary:
Correct osd source devices display when `Raise maximum volume` is enabled.
Lower to normal volume when disabling `Raise maximum volume` if the
source device volume was set higher than 100%.

Test Plan:
Use shortcut keys for microphone (Volume Up/Down/Mute), with and
without the "Raise maximum volume". Correct info must be shown.

Set source device(mic) volume higher than 100% and disable "Raise
maximum volume". Volume should be lowered to 100%.

Reviewers: #plasma, drosca, ngraham

Reviewed By: ngraham

Subscribers: plasma-devel

Tags: #plasma

Differential Revision: https://phabricator.kde.org/D27282