[TIDY] move when statements, fix whitespace

Having the when condition of a task at the top instead of bottom is
easiert to read. Also some spaces were another whitespace character on
accident.

tasks/usersetup-Debian.yml

@@ -8,12 +8,12 @@
   register: common_usersetup
 
 - name: usersetup - Change login shell to zsh for current user
+  when:
+    - common_usersetup.stat.exists == false and usersetup_chsh == true
   become: yes
   ansible.builtin.user:
     name: "{{ ansible_user_id }}"
     shell: /bin/zsh
-  when:
-    - common_usersetup.stat.exists == false and usersetup_chsh == true
 
 - name: usersetup - Install locales package
   become: yes
@@ -22,23 +22,23 @@
     state: present
 
 - name: usersetup - Setup locale en_US
+  when:
+    - common_usersetup.stat.exists == false
   become: yes
   ansible.builtin.locale_gen:
     name: en_US.UTF-8
     state: present
+- name: usersetup - Setup locale de_DE
   when:
     - common_usersetup.stat.exists == false
-- name: usersetup - Setup locale de_DE
   become: yes
   ansible.builtin.locale_gen:
     name: de_DE.UTF-8
     state: present
-  when:
-    - common_usersetup.stat.exists == false
 
 - name: usersetup - Create lockfile
+  when:
+    - common_usersetup.stat.exists == false
   ansible.builtin.file:
     path: .ansbl-common-usersetup
     state: touch
-  when:
-    - common_usersetup.stat.exists == false