ci: run tests on Linux under gdb (if available)

cmake: add SDLTEST_GDB option to run tests under gdb debugger printing stacktraces

ci: add option to set ctest arguments

Fix spacing in the D-Bus source

Clean up the tray D-Bus code

SNI/DBus tray support (#15189)

Fix Oklick W-2 support

Don't call function pointer when it is NULL

kmsdrm: Fix order of GBM and EGL teardown

x11: Ignore slave button presses on non-focused windows

Android: fix lint warning "unneed cast to Activity"

kmsdrm: Fix double-free of GBM surface buffer in atomic mode

Don't send any commands to the GPU while hidden

Fixed SDL_GlobDirectory() on asset paths on Android

testcolorspace: fixed color check when output is linear colorspace with 8-bit precision