Don't use GFE modifier workaround with Sunshine

src/InputStream.c

@@ -731,6 +731,7 @@ int LiSendKeyboardEvent2(short keyCode, char keyAction, char modifiers, char fla
     // GFE will synthesize an errant key down event for the non-extended key, causing that key to be
     // stuck down after the extended modifier key is raised. For non-extended keys, we must set the
     // MODIFIER flag for correct behavior.
+    if (!IS_SUNSHINE()) {
         switch (keyCode & 0xFF) {
             case 0x5B: // VK_LWIN
             case 0x5C: // VK_RWIN
@@ -767,6 +768,7 @@ int LiSendKeyboardEvent2(short keyCode, char keyAction, char modifiers, char fla
                 // No fixups
                 break;
         }
+    }
 
     holder->packet.keyboard.header.size = BE32(sizeof(NV_KEYBOARD_PACKET) - sizeof(uint32_t));
     holder->packet.keyboard.header.magic = LE32((uint32_t)keyAction);