protocols: add hyprland_focus_grab_v1 implementation (#5850)

* protocols: add hyprland_focus_grab_v1 implementation

* protocols/focus_grab: fix keyboard focus staying on unlisted windows

When creating a focus grab with layershell surfaces, the last active
toplevel kept keyboard focus.

* protocols/focus_grab: fix formatting

* protocols/focus_grab: try to pick surface for keyboard focus

* focus_grab: update keyboard focus to match spec

* Revert "protocols/focus_grab: try to pick surface for keyboard focus"

This reverts commit 090358d0d1.

* protocols/focus_grab: fix issues and match new spec

* kde-server-decoration: move to new impl

* protocols/focus_grab: review fixup

* Update hyprland-protocols

---------

Co-authored-by: Vaxry <vaxry@vaxry.net>

flake.lock

@@ -36,11 +36,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1691753796,
-        "narHash": "sha256-zOEwiWoXk3j3+EoF3ySUJmberFewWlagvewDRuWYAso=",
+        "lastModified": 1714869498,
+        "narHash": "sha256-vbLVOWvQqo4n1yvkg/Q70VTlPbMmTiCQfNTgcWDCfJM=",
         "owner": "hyprwm",
         "repo": "hyprland-protocols",
-        "rev": "0c2ce70625cb30aef199cb388f99e19a61a6ce03",
+        "rev": "e06482e0e611130cd1929f75e8c1cf679e57d161",
         "type": "github"
       },
       "original": {