[core] fix NPE in AbstractBundle.clearLocaleCache (IDEA-CR-66303)
[core] fix NPE in AbstractBundle.clearLocaleCache (IDEA-CR-66303)

GitOrigin-RevId: 18779fcdc881dfad9106fcbb0a25f87c7bccf16a
allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community