[gtk] (3 commits) Non-fast-forward update to branch install-node-editor

[Matthias Clasen <matthiasc src gnome org>]

The branch 'install-node-editor' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  3307b8c... listitemwidget: Avoid some unnecessary work
  c218afa... node-editor: Add things
  227edcd... Add a man page for gtk4-node-editor
  ab5b07a... Install gtk4-node-editor

Commits added to the branch:

  5fe9edb... node-editor: Add things
  f831063... Add a man page for gtk4-node-editor
  6e599a3... Install gtk4-node-editor