D27063: Fix disabeling of autolock timeout

[Alexander Lohnau]

alex created this revision.
alex added reviewers: mart, ervin.
Herald added a project: Plasma.
Herald added a subscriber: plasma-devel.
alex requested review of this revision.

REVISION SUMMARY
  When the "Lock Screen:" checkbox gets disabled the timeout spin box gets disabled too.
  But the spin box is still enabled when the checkbox is disabled if the module is loaded.

TEST PLAN
  Disable screenlocking and restart module. The spin box should be disabled.
  Before:
  https://phabricator.kde.org/file/data/u6vxui546tvyluaoyo4l/PHID-FILE-b3uowaz5ar2xk7buwt6r/edit_before.png
  
  After:
  https://phabricator.kde.org/file/data/6cwds725zvhbtadcndxt/PHID-FILE-onnxln4uw4miuvcj7nbf/edit_after.png

REPOSITORY
  R133 KScreenLocker

BRANCH
  fix_disabled_state

REVISION DETAIL
  https://phabricator.kde.org/D27063

AFFECTED FILES
  kcm/kcm.cpp

To: alex, mart, ervin
Cc: plasma-devel, Orage, LeGast00n, The-Feren-OS-Dev, jraleigh, zachus, fbampaloukas, GB_2, ragreen, ZrenBot, ngraham, alexeymin, himcesjf, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, ahiemstra, mart
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