ConversationBubble: add time inside bubble

src/app/commoncomponents/CallMessageDelegate.qml

src/app/commoncomponents/DataTransferMessageDelegate.qml

src/app/commoncomponents/MessageBubble.qml

src/app/commoncomponents/SBSMessageBase.qml

src/app/commoncomponents/TextMessageDelegate.qml

src/app/commoncomponents/TimestampInfo.qml

src/app/mainview/components/MessageListView.qml

src/app/messagesadapter.cpp