Use member function syntax for disconnect and KStandardAction connect

2 jobs for master in 20 minutes and 1 second (queued for 2 minutes and 54 seconds)
Status Job ID Name Coverage
  Build
passed #72695
build_clazy_clang_tidy

00:14:43

passed #72694
linux kf5-qt5 qt5.12

00:13:38

0.0%