gnome: start preview after offhold

connect to PreviewManager signal to start preview so
that it is (re)started after call goes offhold

Refs #66538

Change-Id: I998ad85cfde005cf5a6f96a245e32e8b19e75602
1 file changed
tree: 150379bccd371be832318fc427c55eb9adf24da8
  1. cmake/
  2. pixmaps/
  3. src/
  4. ui/
  5. .gitreview
  6. CMakeLists.txt
  7. README