PyUiUtil: invoke PsiManager.findFile inside a read action.
PyUiUtil: invoke PsiManager.findFile inside a read action.

GitOrigin-RevId: b48923600988e0c8235fc961c8683802a3684b71
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