Rename reactivate() to refreshAll()

As requested by @obra, because `refreshAll()` describes behaviour better.

Signed-off-by: Gergely Nagy <kaleidoscope@gergo.csillger.hu>

src/Kaleidoscope-LEDControl.cpp

@@ -39,7 +39,7 @@ LEDControl::set_mode(uint8_t mode_) {
     return;
 
   mode = mode_;
-  reactivate();
+  refreshAll();
 }
 
 uint8_t LEDControl::get_mode_index(void) {

src/Kaleidoscope-LEDControl.h

@@ -102,7 +102,7 @@ class LEDControl : public KaleidoscopePlugin {
   static void set_mode(uint8_t mode);
   static uint8_t get_mode_index();
   static LEDMode *get_mode();
-  static void reactivate() {
+  static void refreshAll() {
     set_all_leds_to({0, 0, 0});
     if (modes[mode])
       modes[mode]->onActivate();