[mutter/wayland] (10 commits) ...compositor: always redirect passive button grabs to clutter

[Giovanni Campagna <gcampagna src gnome org>]

Summary of changes:

  75184d4... display: Simplify checks to see if a window is the root win (*)
  da13e3d... display: Return TRUE when we've handled an X event appropri (*)
  7f195ae... display: Don't grab the window actor's key focus (*)
  23b0f7b... display: Always use the key focused window for key events (*)
  ed6821a... keybindings: fix per window keybindings (*)
  394b44a... compositor: fix mouse interactions on frames (*)
  360d423... MetaSurfaceActor: add a generic hook to retrieve the MetaWi (*)
  b00fa70... display: move more event handling to clutter (*)
  65dd54a... compositor: don't spoof events when running as a wayland co (*)
  b9a5d71... compositor: always redirect passive button grabs to clutter (*)

(*) This commit already existed in another branch; no separate mail sent