Compositor: UI: remove snapping to nodes. Snapping nodes to other nodes behaves in a very unpredictable way, which makes most snapping options useless. The patch removes the following: - Snapping options `Node X`, `Node Y` and `Node XY` - Menu `Snap Node Element` - Menu `Snap Target` New behavior: - Activating `Snap` always acts as 'Snap to Grid' Part of https://projects.blender.org/blender/blender/issues/128612 Pull Request: https://projects.blender.org/blender/blender/pulls/127667