SDFGI: Slight occlusion improvements.

Fix the logic to enable focus awareness

VideoStreamGDNative: close file in cleanup()

We should close the file handle when we are done.

Generate inspector preview for Image resources

QuickOpen improvements

Prevents usage of return in main shader functions

Call Node3D::get_global_transform and Vector3::dot only once within Camera3D::is_position_behind

Call Node3D::get_global_transform and Vector3::dot only once within Camera3D::is_position_behind to avoid redundant work.

Fixes recently introduced shader leaks

Make tilemap lines/rectangles their own tools

Keep the bottom panel visible when enabling the distraction-free mode

- Document the `EditorInterface.distraction_free_mode` property.

This closes https://github.com/godotengine/godot-proposals/issues/951.

Enable the ability to use Godot as a subview within an Android app

CanvasItemEditor: Fix losing position for drag'n'dropped scenes

Addition of SDFGI for open world global illumination

Move GI to a deferred pass

Don't use arbitrary theme editor icons for scripts with the same name

Mono/C#: Fix InvalidCast because of attempt to unbox long as int

Mono/C#: Use /restore instead of /t:restore when building

Mono/C#: Fix unhandled exception not being printed

Documentation recommends not to use /t:restore
together with other targets (like /t:build),
as it messes with the environment.

For some reason `mono_unhandled_exception` is not
printing the exception as its comment claims.
Use `mono_print_unhandled_exception` instead.

[macOS] Control key + scroll wheel should zoom not pan

(cherry picked from commit a84f0811606dc89fa4fb9a66fac0851bacc1fc83)

Fix regressions in the 3D lock buttons