Issue 1: When setting security level to VERY_HIGH:
        1) For self signed app:
            Expected behavior: Self signed app should be "NEVER" and app should be blocked.
            Actual behavior: A sandbox dialog shown up asking to run app.
        2) For ca signed app:
            Expected behavior: ca signed app should "PROMPT" a sandbox dialog.
            Actual behavior: App is blocked.
Issue 2: When setting security level to MEDIUM.
        1) For ca signed app:
            Expected behavior: ca signed app should be "ALWAYS" and app should run directly.
            Actual behavior: A sandbox dialog shown up asking to run app.
Issue 3: When setting security level to CUSTOM and deployment.security.sandbox.selfsigned=NEVER.
        1) For self signed app:
             Expected behavior: Self signed app should be "NEVER" and app should be blocked.
             Actual behavior: App is blocked but there are two blocked dialogs shown up.
        2) For ca signed app:
             Expected behavior: ca signed app should be "NEVER" and app should be blocked.
             Actual behavior: App is blocked but there are two blocked dialogs shown up.