D8265: Change kcm header "Select Login Theme" to "Configure the SDDM Login Manager"

[Nathaniel Graham]

ngraham accepted this revision.

REPOSITORY
  R123 SDDM Configuration Panel (KCM)

REVISION DETAIL
  https://phabricator.kde.org/D8265

To: aspotashev, plasma-devel, davidedmundson, ngraham
Cc: ngraham, davidedmundson, ZrenBot, progwolff, lesliezhai, ali-mohamed, 
jensreuterberg, abetts, sebas, apol, mart