tooltip: add tool tips to qt client

src/commoncomponents/HoverableButton.qml

src/commoncomponents/HoverableButtonTextItem.qml

src/commoncomponents/HoverableRadiusButton.qml

src/commoncomponents/PhotoboothView.qml

src/mainview/components/AccountComboBox.qml

src/mainview/components/CallOverlayButtonGroup.qml

src/mainview/components/OutgoingCallPage.qml

src/settingsview/components/AvSettingPage.qml

...tingsview/components/CurrentAccountSettingsScrollPage.qml

...ngsview/components/CurrentSIPAccountSettingScrollPage.qml

src/settingsview/components/GeneralSettingsPage.qml

src/settingsview/components/PluginSettingsPage.qml

src/settingsview/components/SettingParaCombobox.qml

src/settingsview/components/ToggleSwitch.qml

src/wizardview/WizardView.qml

src/wizardview/components/HoverableGradientButton.qml

src/wizardview/components/WelcomePageLayout.qml