Change properties for interactive and script to false on default

- Change defaults for `spring.shell.interactive.enabled` and
  `spring.shell.script.enabled` to false.
- Change samples to use interactive/script where applicable.
- Fixes #1051

spring-shell-samples/spring-shell-sample-e2e/src/main/resources/application.yml

@@ -2,6 +2,8 @@ spring:
   main:
     banner-mode: off
   shell:
+    script:
+      enabled: true
     interactive:
       enabled: true
     ## pick global default option naming