Add configuration for GitHub issue templates

This adds a few links on the issue creation page and disallows
creating blank issues (since all issues must follow the bug report
template).

Proper surface reset when resuming app on Android

Use long instead of int for object id in Android java wrapper

Just re-creating the window instead of restarting the app entirely.

Using int for 64-bit values might cause issues with objects not found
in ObjectDB when the id is truncated.

Fix Container sorting not working when overriding _sort_children in gdscript

Fix editor ignoring 'single_window_mode' with no main scene

Add SCons option to not build C# solutions

Previously the editor would ignore the 'single_window_mode' editor setting if
the edited project didn't have a main scene configured in the project settings.

Block WM_MOUSEMOVE during Windows Ink pen handling.

xatlas: Sync with upstream 470576d

Expose `Image.save_png_to_buffer` method

Fix moving 2D node with mouse after using arrow keys

Mono/C#: Don't try to load project assembly in project manager

Fix condition in ClassDB tests that should return

Mono/C#: Fix values not updated in remote inspector

Clarifies 'icon_separation' in TabContainer (instead of 'hseparation')

Fix segmentation fault when loading project

This was causing an error message when launching the manager,
because there is no project assembly to load.

Also changed the name of the test macros to be clearer.

Fixes: #38911

Fixes: #38894

Docs: Fix order of variant constants.

Trigger an error when trying to define a preexisting signal in GDScript

Fix false positive "Unreachable code" warning for loops

Delete DummyMesh when RasterizerStorageDummy is Freed

The missing `operator<` definitions caused `Vector::sort()` to fail
sorting those alphabetically by name on Windows (not sure why Linux
isn't affected, I guess GCC/Clang are cleverer and use the operator
from the first struct member).

Fix error with 'params' when import dock doesn't define any parameter

[Windows] Add tablet driver selection.