Fix caching for large sticker area.

Telegram/SourceFiles/storage/file_download.h

@@ -20,7 +20,9 @@ namespace Cache {
 struct Key;
 } // namespace Cache
 
+// This value is used in local cache database settings!
 constexpr auto kMaxFileInMemory = 10 * 1024 * 1024; // 10 MB max file could be hold in memory
+
 constexpr auto kMaxVoiceInMemory = 2 * 1024 * 1024; // 2 MB audio is hold in memory and auto loaded
 constexpr auto kMaxStickerInMemory = 2 * 1024 * 1024; // 2 MB stickers hold in memory, auto loaded and displayed inline
 constexpr auto kMaxWallPaperInMemory = kMaxFileInMemory;