add managing individual lines in mesh.properties using values from template

roles/bitbucket_mesh_config/tasks/mesh_properties.yml

@@ -0,0 +1,11 @@
+---
+# Rather than managing the entire mesh.properties file, we only manage individual
+# properties because upstream the product sets some properties by editing the file
+- name: Update additional ansible-managed mesh properties
+  ansible.builtin.lineinfile:
+    path: "{{ mesh_properties_file }}"
+    search_string: "{{ mesh_prop_key }}="
+    line: "{{ item }}"
+  vars:
+    mesh_prop_key: "{{ item.split('=') | first }}"
+  loop: "{{ atl_mesh_properties }}"