swarm details page: improve

src/constant/JamiStrings.qml

src/constant/JamiTheme.qml

src/currentconversation.cpp

src/mainview/MainView.qml

src/mainview/components/ChatView.qml

src/mainview/components/FilterTabButton.qml

src/mainview/components/SwarmDetailsPanel.qml

src/utilsadapter.cpp

src/utilsadapter.h