Fix Per Key LED Indicator Callbacks (#18450)

Co-authored-by: Dasky <32983009+daskygit@users.noreply.github.com>
Co-authored-by: Nick Brassel <nick@tzarc.org>

keyboards/chromatonemini/keymaps/via/keymap.c

@@ -245,7 +245,7 @@ void set_led_scale_indicator(uint8_t r, uint8_t g, uint8_t b) {
     }
 }
 
-void rgb_matrix_indicators_user(void) {
+bool rgb_matrix_indicators_user(void) {
     // uint32_t mode = rgblight_get_mode();
 
     if (rgb_matrix_is_enabled()) {  // turn the lights on when it is enabled.
@@ -280,5 +280,6 @@ void rgb_matrix_indicators_user(void) {
                 break;
         }
     }
+    return false;
 }
 #endif  // RGB_MATRIX_ENABLE