[JENKINS-27739] Ensure cache clearing listener runs first

(cherry picked from commit c6d4204a)

core/src/main/java/hudson/model/Computer.java

@@ -1595,7 +1595,7 @@ public /*transient*/ abstract class Computer extends Actionable implements Acces
             return true;
         }
 
-        @Extension
+        @Extension(ordinal = Double.MAX_VALUE)
         @Restricted(DoNotUse.class)
         public static class InternalComputerListener extends ComputerListener {
             @Override