LEDControl: Don't sync LEDs when paused

When `LEDControl` is paused, we want to pause not just the LED modes, but *all*
LED operations. The easiest way to do this is to not sync them.

Signed-off-by: Gergely Nagy <algernon@keyboard.io>

src/kaleidoscope/plugin/LEDControl.cpp

@@ -130,6 +130,9 @@ cRGB LEDControl::getCrgbAt(int8_t i) {
 }
 
 void LEDControl::syncLeds(void) {
+  if (paused)
+    return;
+
   KeyboardHardware.syncLeds();
 }