Enable the SDL_HINT_MOUSE_DOUBLE_CLICK_TIME and SDL_HINT_MOUSE_DOUBLE_CLICK_RADIUS hints on macOS

Fixes https://github.com/libsdl-org/SDL/issues/4000

src/video/cocoa/SDL_cocoawindow.m

@@ -1556,7 +1556,7 @@ static NSCursor *Cocoa_GetDesiredCursor(void)
 static void Cocoa_SendMouseButtonClicks(SDL_Mouse *mouse, NSEvent *theEvent, SDL_Window *window, Uint8 button, bool down)
 {
     SDL_MouseID mouseID = SDL_DEFAULT_MOUSE_ID;
-    const int clicks = (int)[theEvent clickCount];
+    //const int clicks = (int)[theEvent clickCount];
     SDL_Window *focus = SDL_GetKeyboardFocus();
 
     // macOS will send non-left clicks to background windows without raising them, so we need to
@@ -1565,14 +1565,16 @@ static void Cocoa_SendMouseButtonClicks(SDL_Mouse *mouse, NSEvent *theEvent, SDL
     //  event for the background window, this just makes sure the button is reported at the
     //  correct position in its own event.
     if (focus && ([theEvent window] == ((__bridge SDL_CocoaWindowData *)focus->internal).nswindow)) {
-        SDL_SendMouseButtonClicks(Cocoa_GetEventTimestamp([theEvent timestamp]), window, mouseID, button, down, clicks);
+        //SDL_SendMouseButtonClicks(Cocoa_GetEventTimestamp([theEvent timestamp]), window, mouseID, button, down, clicks);
+        SDL_SendMouseButton(Cocoa_GetEventTimestamp([theEvent timestamp]), window, mouseID, button, down);
     } else {
         const float orig_x = mouse->x;
         const float orig_y = mouse->y;
         const NSPoint point = [theEvent locationInWindow];
         mouse->x = (int)point.x;
         mouse->y = (int)(window->h - point.y);
-        SDL_SendMouseButtonClicks(Cocoa_GetEventTimestamp([theEvent timestamp]), window, mouseID, button, down, clicks);
+        //SDL_SendMouseButtonClicks(Cocoa_GetEventTimestamp([theEvent timestamp]), window, mouseID, button, down, clicks);
+        SDL_SendMouseButton(Cocoa_GetEventTimestamp([theEvent timestamp]), window, mouseID, button, down);
         mouse->x = orig_x;
         mouse->y = orig_y;
     }

test/testwm.c

@@ -277,6 +277,8 @@ int main(int argc, char *argv[])
         SDL_RenderClear(renderer);
     }
 
+SDL_StopTextInput(state->windows[0]);
+SDL_StopTextInput(state->windows[0]);
     /* Main render loop */
     done = 0;
 #ifdef SDL_PLATFORM_EMSCRIPTEN