Fix email2matrix path initialization

Regression since 421f85defa

roles/matrix-email2matrix/tasks/setup_install.yml

@@ -2,7 +2,7 @@
 
 - name: Ensure Email2Matrix paths exist
   file:
-    path: "{{ item }}"
+    path: "{{ item.path }}"
     state: directory
     mode: 0750
     owner: "{{ matrix_user_username }}"