Fix some ansible-lint-reported warnings

This mostly fixes `key-order` warnings around
`block` statements.

roles/matrix-bridge-mx-puppet-slack/tasks/init.yml

@@ -27,7 +27,10 @@
       }}
   when: matrix_mx_puppet_slack_enabled | bool
 
-- block:
+- when: matrix_mx_puppet_slack_enabled | bool
+  tags:
+    - always
+  block:
     - name: Fail if matrix-nginx-proxy role already executed
       ansible.builtin.fail:
         msg: >-
@@ -60,9 +63,6 @@
             +
             [matrix_mx_puppet_slack_matrix_nginx_proxy_configuration]
           }}
-  tags:
-    - always
-  when: matrix_mx_puppet_slack_enabled | bool
 
 - name: Warn about reverse-proxying if matrix-nginx-proxy not used
   ansible.builtin.debug:

roles/matrix-bridge-mx-puppet-slack/tasks/setup_install.yml

@@ -39,13 +39,15 @@
 - ansible.builtin.set_fact:
     matrix_mx_puppet_slack_requires_restart: false
 
-- block:
+- when: "matrix_mx_puppet_slack_database_engine == 'postgres'"
+  block:
     - name: Check if an SQLite database already exists
       ansible.builtin.stat:
         path: "{{ matrix_mx_puppet_slack_sqlite_database_path_local }}"
       register: matrix_mx_puppet_slack_sqlite_database_path_local_stat_result
 
-    - block:
+    - when: "matrix_mx_puppet_slack_sqlite_database_path_local_stat_result.stat.exists | bool"
+      block:
         - ansible.builtin.set_fact:
             matrix_postgres_db_migration_request:
               src: "{{ matrix_mx_puppet_slack_sqlite_database_path_local }}"
@@ -61,8 +63,6 @@
 
         - ansible.builtin.set_fact:
             matrix_mx_puppet_slack_requires_restart: true
-      when: "matrix_mx_puppet_slack_sqlite_database_path_local_stat_result.stat.exists | bool"
-  when: "matrix_mx_puppet_slack_database_engine == 'postgres'"
 
 - name: Ensure MX Puppet Slack image is pulled
   docker_image: