Added support of profile color to top bar for gradient backgrounds.

Telegram/SourceFiles/ui/top_background_gradient.cpp

@@ -7,11 +7,14 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "ui/top_background_gradient.h"
 
+#include "apiwrap.h"
+#include "api/api_peer_colors.h"
 #include "data/data_emoji_statuses.h"
 #include "data/data_credits.h"
 #include "data/data_peer.h"
 #include "data/data_star_gift.h"
 #include "data/stickers/data_custom_emoji.h"
+#include "main/main_session.h"
 #include "ui/image/image_prepare.h"
 #include "ui/painter.h"
 #include "ui/rect.h"
@@ -106,9 +109,19 @@ QImage CreateTopBgGradient(
 			collectible->edgeColor,
 			false,
 			offset);
-	} else {
-		return QImage();
 	}
+	if (const auto color = peer->session().api().peerColors().colorProfileFor(
+			peer)) {
+		if (color->bg.size() > 1) {
+			return CreateTopBgGradient(
+				size,
+				color->bg[1],
+				color->bg[0],
+				false,
+				offset);
+		}
+	}
+	return QImage();
 }
 
 const std::vector<PatternPoint> &PatternBgPoints() {