Merge branch 'feature/example-file-transfers' into 'development'

...urces/AppCore/ReceiveFileHandler/ReceiveFileHandler.swift

...es/xx-messenger/Sources/AppCore/SendImage/SendImage.swift

...s/xx-messenger/Sources/AppCore/SharedUI/ImagePicker.swift

...xx-messenger/Sources/AppFeature/AppEnvironment+Live.swift

Examples/xx-messenger/Sources/AppFeature/AppFeature.swift

Examples/xx-messenger/Sources/ChatFeature/ChatFeature.swift

Examples/xx-messenger/Sources/ChatFeature/ChatView.swift

Examples/xx-messenger/Sources/HomeFeature/HomeFeature.swift

Examples/xx-messenger/Tests/AppCoreTests/AppCoreTests.swift

...oreTests/ReceiveFileHandler/ReceiveFileHandlerTests.swift

...ssenger/Tests/AppCoreTests/SendImage/SendImageTests.swift

.../xx-messenger/Tests/AppFeatureTests/AppFeatureTests.swift

...x-messenger/Tests/ChatFeatureTests/ChatFeatureTests.swift

...x-messenger/Tests/HomeFeatureTests/HomeFeatureTests.swift

Sources/XXClient/Models/FileSend.swift

.../Messenger/Functions/MessengerIsFileTransferRunning.swift

Sources/XXMessengerClient/Messenger/Messenger.swift

...enger/Functions/MessengerIsFileTransferRunningTests.swift