`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 SystemBrowser (and some other classes that delegate to it)
;
emphasisForChangedCode Array with:#bold with:#color->Color red lightened
emphasisForModifiedBuffer Array with:#bold with:#color->Color red lightened
;
; class Tools::InlineMessageDialog
;
;inlineMessageDialog.info.backgroundColor
;inlineMessageDialog.warning.backgroundColor
;
; class Tools::AbstractTestRunner
;
;testRunner.passed.backgroundColor
;testRunner.failed.backgroundColor
;testRunner.error.backgroundColor
;testRunner.running.backgroundColor
;testRunner.notrun.backgroundColor