Switch icon theme to Fluent icons

resources/qml/MessageInput.qml

resources/qml/MessageView.qml

resources/qml/ReplyPopup.qml

resources/qml/RoomList.qml

resources/qml/StatusIndicator.qml

resources/qml/TimelineRow.qml

resources/qml/TimelineView.qml

resources/qml/TopBar.qml

resources/qml/delegates/FileMessage.qml

resources/qml/delegates/ImageMessage.qml

resources/qml/dialogs/RoomMembers.qml

resources/qml/dialogs/RoomSettings.qml

resources/qml/dialogs/UserProfile.qml

resources/qml/emoji/EmojiPicker.qml

resources/qml/emoji/StickerPicker.qml

resources/qml/ui/media/MediaControls.qml

resources/qml/voip/ActiveCallBar.qml

resources/qml/voip/CallDevices.qml

resources/qml/voip/CallInvite.qml

resources/qml/voip/CallInviteBar.qml