Refactor portainer.yml and miniplay: remove hardcoded passwords for security, update comments for clarity, and enhance task descriptions.

nextcloud/collections/miniplay

@@ -1,10 +1,11 @@
 ---
-- name: Sanity check SSH + sudo on portainer
+- name: Sanity: pure SSH and then sudo
   hosts: nextcloud_host
   gather_facts: false
 
   tasks:
-    - name: Who am I as SSH user?
+    - name: Who am I as SSH user? (no sudo)
+      become: false
       ansible.builtin.command: whoami
       changed_when: false
       register: who
@@ -12,7 +13,7 @@
     - ansible.builtin.debug:
         msg: "SSH user is: {{ who.stdout }}"
 
-    - name: Who am I with sudo?
+    - name: Who am I with sudo? (explicit become)
       become: true
       become_method: sudo
       ansible.builtin.command: whoami