Avoid configuring SSL certificate settings for services when certs dumper is disabled

Some of these variables were ending up configuring services to expect
certificates.. yet there's no way they could get them.

group_vars/matrix_servers

@@ -2314,8 +2314,8 @@ matrix_bot_postmoogle_container_image_self_build: "{{ matrix_architecture not in
 matrix_bot_postmoogle_ssl_path: |-
   {{
     {
-      'playbook-managed-traefik': devture_traefik_certs_dumper_dumped_certificates_dir_path,
-      'other-traefik-container': devture_traefik_certs_dumper_dumped_certificates_dir_path,
+      'playbook-managed-traefik': (devture_traefik_certs_dumper_dumped_certificates_dir_path if devture_traefik_certs_dumper_enabled else ''),
+      'other-traefik-container': (devture_traefik_certs_dumper_dumped_certificates_dir_path if devture_traefik_certs_dumper_enabled else ''),
       'none': '',
     }[matrix_playbook_reverse_proxy_type]
   }}
@@ -2326,8 +2326,8 @@ matrix_playbook_bot_postmoogle_traefik_key: "{% for domain in matrix_bot_postmoo
 matrix_bot_postmoogle_tls_cert: |-
   {{
     {
-      'playbook-managed-traefik': matrix_playbook_bot_postmoogle_traefik_tls_cert,
-      'other-traefik-container': matrix_playbook_bot_postmoogle_traefik_tls_cert,
+      'playbook-managed-traefik': (matrix_playbook_bot_postmoogle_traefik_tls_cert if devture_traefik_certs_dumper_enabled else ''),
+      'other-traefik-container': (matrix_playbook_bot_postmoogle_traefik_tls_cert if devture_traefik_certs_dumper_enabled else ''),
       'none': '',
     }[matrix_playbook_reverse_proxy_type]
   }}
@@ -2335,8 +2335,8 @@ matrix_bot_postmoogle_tls_cert: |-
 matrix_bot_postmoogle_tls_key: |-
   {{
     {
-      'playbook-managed-traefik': matrix_playbook_bot_postmoogle_traefik_key,
-      'other-traefik-container': matrix_playbook_bot_postmoogle_traefik_key,
+      'playbook-managed-traefik': (matrix_playbook_bot_postmoogle_traefik_key if devture_traefik_certs_dumper_enabled else ''),
+      'other-traefik-container': (matrix_playbook_bot_postmoogle_traefik_key if devture_traefik_certs_dumper_enabled else ''),
       'none': '',
     }[matrix_playbook_reverse_proxy_type]
   }}
@@ -2724,8 +2724,8 @@ matrix_coturn_tls_enabled: "{{ matrix_playbook_ssl_enabled }}"
 matrix_coturn_tls_cert_path: |-
   {{
     {
-      'playbook-managed-traefik': '/certificate.crt',
-      'other-traefik-container': '/certificate.crt',
+      'playbook-managed-traefik': ('/certificate.crt' if devture_traefik_certs_dumper_enabled else ''),
+      'other-traefik-container': ('/certificate.crt' if devture_traefik_certs_dumper_enabled else ''),
       'none': '',
     }[matrix_playbook_reverse_proxy_type]
   }}
@@ -2733,8 +2733,8 @@ matrix_coturn_tls_cert_path: |-
 matrix_coturn_tls_key_path: |-
   {{
     {
-      'playbook-managed-traefik': '/privatekey.key',
-      'other-traefik-container': '/privatekey.key',
+      'playbook-managed-traefik': ('/privatekey.key' if devture_traefik_certs_dumper_enabled else ''),
+      'other-traefik-container': ('/privatekey.key' if devture_traefik_certs_dumper_enabled else ''),
       'none': '',
     }[matrix_playbook_reverse_proxy_type]
   }}
@@ -2753,7 +2753,7 @@ matrix_coturn_container_additional_volumes: |
          'dst': '/privatekey.key',
          'options': 'ro',
        },
-      ] if matrix_playbook_reverse_proxy_type in ['playbook-managed-traefik', 'other-traefik-container'] and devture_traefik_certs_dumper_enabled and matrix_coturn_tls_enabled else []
+      ] if (matrix_playbook_reverse_proxy_type in ['playbook-managed-traefik', 'other-traefik-container'] and devture_traefik_certs_dumper_enabled and matrix_coturn_tls_enabled and (matrix_coturn_tls_cert_path and matrix_coturn_tls_key_path)) else []
     )
   }}