Chase: Use CRGB when setting colors

When not using the `CRGB()` macro, colors may end up being different than
intended if the board we're running on implements RGB order differently.

Fixes #548.

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

src/kaleidoscope/plugin/LEDEffect-Chase.cpp

@@ -37,9 +37,9 @@ void LEDChaseEffect::update(void) {
   // the first few updates, `pos2` will be out of bounds. Since it's an unsigned integer,
   // even when it would have a value below zero, it underflows and so one test is good for
   // both ends of the range.
-  ::LEDControl.setCrgbAt(pos, {0, 0, 0});
+  ::LEDControl.setCrgbAt(pos, CRGB(0, 0, 0));
   if (pos2 < LED_COUNT)
-    ::LEDControl.setCrgbAt(pos2, {0, 0, 0});
+    ::LEDControl.setCrgbAt(pos2, CRGB(0, 0, 0));
 
   // Next, we adjust the red light's position. If the direction hasn't changed (the red
   // light isn't out of bounds), we also adjust the blue light's position to match the red
@@ -58,9 +58,9 @@ void LEDChaseEffect::update(void) {
 
   // Last, we turn on the LEDs at their new positions. As before, the blue light (pos2) is
   // only set if it's in the valid LED range.
-  ::LEDControl.setCrgbAt(pos, {0, 0, 255});
+  ::LEDControl.setCrgbAt(pos, CRGB(255, 0, 0));
   if (pos2 < LED_COUNT)
-    ::LEDControl.setCrgbAt(pos2, {255, 0, 0});
+    ::LEDControl.setCrgbAt(pos2, CRGB(0, 0, 255));
 }
 
 }