Pump SDL2 version for macOS, fixes initialization slowdown reported in libsdl-org/SDL#13427.

.github/workflows/ecode-nightly.yml

@@ -333,8 +333,8 @@ jobs:
       - name: Install Dependencies
         run: |
           brew install bash create-dmg premake p7zip
-          curl -OL https://github.com/libsdl-org/SDL/releases/download/release-2.32.8/SDL2-2.32.8.dmg
-          hdiutil attach SDL2-2.32.8.dmg
+          curl -OL https://github.com/libsdl-org/SDL/releases/download/release-2.32.10/SDL2-2.32.10.dmg
+          hdiutil attach SDL2-2.32.10.dmg
           sudo cp -r /Volumes/SDL2/SDL2.framework /Library/Frameworks/
           hdiutil detach /Volumes/SDL2
       - name: Build

src/eepp/window/backend/SDL2/backendsdl2.cpp

@@ -26,7 +26,6 @@ WindowBackendSDL2::WindowBackendSDL2() : WindowBackendLibrary() {
 #if SDL_VERSION_ATLEAST( 2, 0, 22 )
 	SDL_SetHint( SDL_HINT_IME_SUPPORT_EXTENDED_TEXT, "1" );
 #endif
-	SDL_SetHint( SDL_HINT_MAC_BACKGROUND_APP, "1" );
 }
 
 WindowBackendSDL2::~WindowBackendSDL2() {