[gtk] (16 commits) Created branch debug-envvars-cleanup

[Matthias Clasen <matthiasc src gnome org>]

The branch 'debug-envvars-cleanup' was created.

Summary of new commits:

  183709c... Fix default-settings handling
  7785c18... Fix high-depth handling
  1b96828... Make vulkan-validate always available
  a337b21... Make vulkan-disable always available
  a99b055... Make the nograbs flag always available
  fa1c461... Make the portals debug flag always available
  fa0fc9a... Make the gl-disable flag always available
  1987398... Drop the software-gl debug flag
  e08a9ea... Drop the gl-texture-rect debug flag
  8bd3ec2... Make the gl-legacy debug flag always available
  01054c9... Make the gl-gles debug flag always available
  f50b0a0... Make the gl-debug debug flag always available
  55ab99c... Make GL flavor flags always available
  ee1a634... Mark the invert-text-dir flag as always there
  c7a7e55... Only print supported debug flags
  6c95547... docs: Some updates