misc: make swarm with multiple participants by default

src/app/appsettingsmanager.h

src/app/constant/JamiStrings.qml

src/app/mainview/components/SidePanel.qml

src/app/settingsview/components/TroubleshootSettings.qml

src/app/tipsmodel.cpp

src/app/utilsadapter.cpp

src/app/utilsadapter.h