[2.x Backport] Adding index permissions for remote index in AD (#4721)

Signed-off-by: Amit Galitzky <[email protected]>

config/roles.yml

@@ -85,9 +85,14 @@ anomaly_full_access:
     - index_patterns:
         - '*'
       allowed_actions:
-        - 'indices_monitor'
         - 'indices:admin/aliases/get'
+        - 'indices:admin/mappings/fields/get'
+        - 'indices:admin/mappings/fields/get*'
         - 'indices:admin/mappings/get'
+        - 'indices:admin/resolve/index'
+        - 'indices:data/read/field_caps*'
+        - 'indices:data/read/search'
+        - 'indices_monitor'
 
 # Allow users to execute read only k-NN actions
 knn_read_access: