SERVER-106448: Fix ValidateState to call static method (#37960)

GitOrigin-RevId: c2c30dfaf0b02f15b975b094a7a281bcdd4cfe9f

Author: hollingum

src/mongo/db/catalog/validate_state.cpp

@@ -79,7 +79,7 @@ ValidateState::ValidateState(OperationContext* opCtx,
                              RepairMode repairMode,
                              const AdditionalOptions& additionalOptions,
                              bool logDiagnostics)
-    : _validateLock(isBackground()
+    : _validateLock(isBackground(mode)
                         ? boost::none
                         : boost::optional<Lock::SharedLock>{obtainSharedValidationLock(opCtx)}),
       _globalLock(opCtx, isBackground(mode) ? MODE_IS : MODE_IX),