Fix docker image build results not affecting conditional restart for ldap-registration-proxy and matrixto

These roles had conditional restart logic (restart_necessary set_fact) but
the docker_image build task result was not registered or included in the
condition, so a changed image build would not trigger a service restart.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

roles/custom/matrix-ldap-registration-proxy/tasks/setup_install.yml

@@ -40,6 +40,7 @@
       path: "{{ matrix_ldap_registration_proxy_container_src_files_path }}"
       pull: true
   when: true
+  register: matrix_ldap_registration_proxy_container_image_build_result
 
 - name: Ensure matrix_ldap_registration_proxy config installed
   ansible.builtin.template:
@@ -82,4 +83,5 @@
         matrix_ldap_registration_proxy_config_result.changed | default(false)
         or matrix_ldap_registration_proxy_support_files_result.changed | default(false)
         or matrix_ldap_registration_proxy_systemd_service_result.changed | default(false)
+        or matrix_ldap_registration_proxy_container_image_build_result.changed | default(false)
       }}

roles/custom/matrix-matrixto/tasks/install.yml

@@ -45,6 +45,7 @@
       path: "{{ matrix_matrixto_container_image_self_build_src_files_path }}"
       pull: true
       args:
+  register: matrix_matrixto_container_image_build_result
 
 - name: Ensure Matrix.to container network is created via community.docker.docker_network
   when: devture_systemd_docker_base_container_network_creation_method == 'ansible-module'
@@ -79,4 +80,5 @@
       {{
         matrix_matrixto_support_files_result.changed | default(false)
         or matrix_matrixto_systemd_service_result.changed | default(false)
+        or matrix_matrixto_container_image_build_result.changed | default(false)
       }}