`NewSystemBrowser`: avoid updating package info when changed class is not selected
This speeds up loading of packages when browser is open as it does
not (needlessly) update package info which may involve scm round-trip.
;
; class Tools::InlineMessageDialog
;
inlineMessageDialog.info.backgroundColor $theme_selected_bg_color
inlineMessageDialog.warning.backgroundColor $warning_color
;
; class Tools::AbstractTestRunner
;
testRunner.passed.backgroundColor $success_color
testRunner.failed.backgroundColor $error_color
testRunner.error.backgroundColor $error_color
testRunner.running.backgroundColor =selectionBlue
testRunner.notrun.backgroundColor $grey_color