Add experimental sticker size option

Telegram/SourceFiles/history/view/media/history_view_sticker.cpp

@@ -7,6 +7,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "history/view/media/history_view_sticker.h"
 
+#include "base/options.h"
 #include "boxes/sticker_set_box.h"
 #include "history/history.h"
 #include "history/history_item_components.h"
@@ -46,6 +47,11 @@ constexpr auto kPremiumMultiplier = (1 + 0.245 * 2);
 constexpr auto kEmojiMultiplier = 3;
 constexpr auto kMessageEffectMultiplier = 2;
 
+base::options::option<int> OptionStickerSize({
+	.id = "sticker-size",
+	.name = "Sticker size",
+});
+
 [[nodiscard]] QImage CacheDiceImage(
 		const QString &emoji,
 		int index,
@@ -192,7 +198,9 @@ bool Sticker::readyToDrawAnimationFrame() {
 }
 
 QSize Sticker::Size() {
-	const auto side = std::min(st::maxStickerSize, kMaxSizeFixed);
+	const auto side = OptionStickerSize.value() > 0
+		? style::ConvertScale(OptionStickerSize.value())
+		: std::min(st::maxStickerSize, kMaxSizeFixed);
 	return { side, side };
 }