Load layer state after initializing matrix

Delays the call to set the rgb layer state until shortly after
matrix_init_kb, this means that the keyboard reads it's rgb
state from the values loaded from eeprom, not from the defaults.

keyboards/system76/launch_1/launch_1.c

@@ -137,7 +137,9 @@ void matrix_init_kb(void) {
     } else {
         system76_ec_rgb_eeprom(false);
     }
+}
 
+void keyboard_post_init_user(void) {
     system76_ec_rgb_layer(layer_state);
 }
 

keyboards/system76/launch_2/launch_2.c

@@ -139,7 +139,9 @@ void matrix_init_kb(void) {
     } else {
         system76_ec_rgb_eeprom(false);
     }
+}
 
+void keyboard_post_init_user(void) {
     system76_ec_rgb_layer(layer_state);
 }
 

keyboards/system76/launch_heavy_1/launch_heavy_1.c

@@ -152,7 +152,9 @@ void matrix_init_kb(void) {
     } else {
         system76_ec_rgb_eeprom(false);
     }
+}
 
+void keyboard_post_init_user(void) {
     system76_ec_rgb_layer(layer_state);
 }
 

keyboards/system76/launch_lite_1/launch_lite_1.c

@@ -125,7 +125,9 @@ void matrix_init_kb(void) {
     } else {
         system76_ec_rgb_eeprom(false);
     }
+}
 
+void keyboard_post_init_user(void) {
     system76_ec_rgb_layer(layer_state);
 }