MT#11343 Prevent PbxDevicemodels API from subscribers lineranges

Change-Id: Iafeaad73731edc1fca85b5acf29985d16c8fa542

lib/NGCP/Panel/Role/API/PbxDeviceModels.pm

@@ -241,8 +241,15 @@ sub update_item {
         }
     }
     # delete invalid range ids (e.g. removed ones)
+    #model update should never impact on subscribers lines
     $range_rs->search({
-        id => { 'not in' => \@existing_range },
+        -and => [
+            id => { 'not in' => \@existing_range },
+            id => { 'not in' => $c->model('DB')->resultset('autoprov_field_device_lines')->search(undef,{
+                    columns => [ qw/linerange_id/ ], 
+                    group_by => [ qw/linerange_id/ ],
+                })->get_column('linerange_id')->as_query },
+        ]
     })->delete_all;
 
     return $item;