FindReplaceOverlay: improve error indication for find and replace inputs#2665

HeikoKlare merged 1 commit intoeclipse-platform:mastereclipse-platform/eclipse.platform.ui:masterfrom

HeikoKlare:findreplaceoverlay-error-coloringHeikoKlare/eclipse.platform.ui:findreplaceoverlay-error-coloringCopy head branch name to clipboard