Use new recolor helper in bt_callback

src/c/main.c

@@ -96,6 +96,15 @@ static void toggle_temp_warning_state(bool enable_warning, bool force) {
 	s_temp_is_warning = enable_warning;
 }
 
+static void recolor_digit_bitmaps(GBitmap **bitmaps, GColor *applied, GColor new_color) {
+	if (applied->argb == new_color.argb)
+		return;
+	for (int i = 0; i < 10; ++i) {
+		replace_gbitmap_color(*applied, new_color, bitmaps[i], NULL);
+	}
+	*applied = new_color;
+}
+
 static void bt_callback(bool connected) {
 	GColor dst = connected ? settings.ColorHours : settings.ColorWarning;
 	if (s_first_settings_application && connected && dst.argb == s_applied_hour.argb) {
@@ -103,13 +112,10 @@ static void bt_callback(bool connected) {
 		// for those using white fg, do not pointlessly replace white at startup if that is the destination anyway
 		return;
 	}
-	for (int i = 0; i < 10; ++i) {
-		replace_gbitmap_color(s_applied_hour, dst, s_hour_bitmaps[i], NULL);
-	}
+	recolor_digit_bitmaps(s_hour_bitmaps, &s_applied_hour, dst);
 	for (int i = 0; i < 4; ++i) {
 		layer_mark_dirty(bitmap_layer_get_layer(s_digit_fg_layers[i]));
 	}
-	s_applied_hour = dst;
 }
 
 static void batt_callback(BatteryChargeState state) {
@@ -310,15 +316,6 @@ static void peek_did_change(void *context) {
 	}
 }
 
-static void recolor_digit_bitmaps(GBitmap **bitmaps, GColor *applied, GColor new_color) {
-	if (applied->argb == new_color.argb)
-		return;
-	for (int i = 0; i < 10; ++i) {
-		replace_gbitmap_color(*applied, new_color, bitmaps[i], NULL);
-	}
-	*applied = new_color;
-}
-
 static void apply_settings() {
 	bool force_update_minutes = false;