GetStream/stream-chat-swift 4.1.0 on GitHub

Fixes left buttons not being hidden when a command was added in the composer #1528
Fixes attachments not being cleared when a command was added #1528
Fix imageURL is incorrectly encoded as image_url during connectUser #1523
Fix fallback to Components.default because of responder chain being broken in ChatChannelVC/ChatThreadVC/ChatMessageCell #1519
Fix crash after ChatClient disconnection #1532
Fix when sending a new message UI flickers #1536
Fix crash on GalleryVC happening on iPad when share button is clicked #1537
Fix pending API requests being cancelled when client is connecting for the first time #1538

Make it possible to customize video asset (e.g. include custom HTTP header) before it's preview/content is loaded #1510
Make it possible to search for messages containing attachments of the given types #1525
Make ChatReactionsBubbleView open for UI customization #1526

Rename VideoPreviewLoader type to VideoLoading and videoPreviewLoader to videoLoader in Components #1510
Changes ComposerVC.Content.command to let instead of var and introduces ComposerVC.content.addCommand to add commands to a message for a safer approach #1528