Fix some ansible-lint warnings

roles/element/vars/element_config.yml

@@ -1,34 +1,35 @@
 ---
 
-default_server_config:
-  m.homeserver:
-    base_url: "{{ matrix_external_url }}"
-    server_name: "{{ matrix_domain }}"
-disable_custom_urls: yes
-disable_guests: yes
-disable_login_language_selector: false
-disable_3pid_login: true
-brand: Element
-integrations_ui_url: https://scalar.vector.im/
-integrations_rest_url: https://scalar.vector.im/api
-integrations_widgets_urls:
-  - https://scalar.vector.im/_matrix/integrations/v1
-  - https://scalar.vector.im/api
-  - https://scalar-staging.vector.im/_matrix/integrations/v1
-  - https://scalar-staging.vector.im/api
-  - https://scalar-staging.riot.im/scalar/api
-bug_report_endpoint_url: https://element.io/bugreports/submit
-defaultCountryCode: GB
-showLabsSettings: no
-default_federate: yes
-default_theme: dark
-roomDirectory:
-  servers:
-    - "{{ matrix_domain }}"
-enable_presence_by_hs_url:
-  "https://matrix.org": no
-  "https://matrix-client.matrix.org": no
-settingDefaults:
-  breadcrumbs: yes
-jitsi:
-  preferredDomain: "{{ jitsi_domain | default('jitsi.riot.im') }}"
+element_config:
+  default_server_config:
+    m.homeserver:
+      base_url: "{{ matrix_external_url }}"
+      server_name: "{{ matrix_domain }}"
+  disable_custom_urls: true
+  disable_guests: true
+  disable_login_language_selector: false
+  disable_3pid_login: true
+  brand: Element
+  integrations_ui_url: https://scalar.vector.im/
+  integrations_rest_url: https://scalar.vector.im/api
+  integrations_widgets_urls:
+    - https://scalar.vector.im/_matrix/integrations/v1
+    - https://scalar.vector.im/api
+    - https://scalar-staging.vector.im/_matrix/integrations/v1
+    - https://scalar-staging.vector.im/api
+    - https://scalar-staging.riot.im/scalar/api
+  bug_report_endpoint_url: https://element.io/bugreports/submit
+  "defaultCountryCode": GB
+  showLabsSettings: false
+  default_federate: true
+  default_theme: dark
+  roomDirectory:
+    servers:
+      - "{{ matrix_domain }}"
+  enable_presence_by_hs_url:
+    "https://matrix.org": false
+    "https://matrix-client.matrix.org": false
+  settingDefaults:
+    breadcrumbs: true
+  jitsi:
+    preferredDomain: "{{ jitsi_domain | default('jitsi.riot.im') }}"