Add support for matrix_encryption_disabler

Related to https://github.com/matrix-org/synapse/issues/4401

Fixes https://github.com/spantaleev/matrix-docker-ansible-deploy/issues/1621

roles/matrix-synapse/tasks/ext/encryption-disabler/setup_install.yml

@@ -0,0 +1,33 @@
+---
+
+- name: Download matrix_encryption_disabler
+  get_url:
+    url: "{{ matrix_synapse_ext_encryption_disabler_download_url }}"
+    dest: "{{ matrix_synapse_ext_path }}/matrix_e2ee_filter.py"
+    force: true
+    mode: 0440
+    owner: "{{ matrix_user_username }}"
+    group: "{{ matrix_user_groupname }}"
+
+- set_fact:
+    matrix_synapse_modules: |
+      {{
+        matrix_synapse_modules|default([])
+        +
+        [
+          {
+            "module": "matrix_e2ee_filter.EncryptedRoomFilter",
+            "config": matrix_synapse_ext_encryption_config
+          }
+        ]
+      }}
+
+    matrix_synapse_container_extra_arguments: >
+      {{ matrix_synapse_container_extra_arguments|default([]) }}
+      +
+      ["--mount type=bind,src={{ matrix_synapse_ext_path }}/matrix_e2ee_filter.py,dst={{ matrix_synapse_in_container_python_packages_path }}/matrix_e2ee_filter.py,ro"]
+
+    matrix_synapse_additional_loggers: >
+      {{ matrix_synapse_additional_loggers }}
+      +
+      {{ [{'name': 'matrix_e2ee_filter', 'level': 'INFO'}] }}