D28386: fix(kded): watch config also when known config is applied

[Roman Gilg]

romangg created this revision.
romangg added a reviewer: Plasma.
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REVISION SUMMARY
  When a known config is applied the doApplyConfig with the Config wrapper
  override is called. In this case we still want to activate config watching
  like when a config from the ConfigPtr override is applied.
  
  Otherwise we are not be able to detect a control change until the first time
  a new config is applied.

TEST PLAN
  Started with rotation in manual mode. Switched in KCM only from manual to
  automatic mode without changing anything else. With the patch the daemon
  notices this change, without it not.

REPOSITORY
  R104 KScreen

BRANCH
  control-watching-fix

REVISION DETAIL
  https://phabricator.kde.org/D28386

AFFECTED FILES
  kded/daemon.cpp

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