Store Gaze result to prevent subsequent call.

For some reason as part of 66f2160, I removed the stashing of the Gaze
call (made as part of nearby report looking up) to save it being called
again by the map zoom code.

perllib/FixMyStreet/App/Controller/Around.pm

@@ -280,7 +280,7 @@ sub map_features : Private {
     # Allow the cobrand to add in any additional query parameters
     my $extra_params = $c->cobrand->call_hook('display_location_extra_params');
 
-    my ( $on_map, $nearby ) =
+    my ( $on_map, $nearby, $distance ) =
       FixMyStreet::Map::map_features(
         $c, %$extra,
         categories => [ keys %{$c->stash->{filter_category}} ],
@@ -306,6 +306,7 @@ sub map_features : Private {
     $c->stash->{extra_pins} = $extra_pins;
     $c->stash->{on_map} = $on_map;
     $c->stash->{around_map} = $nearby;
+    $c->stash->{distance} = $distance if $distance; # So Gaze not called again
 }
 
 =head2 ajax

perllib/FixMyStreet/Map.pm

@@ -118,7 +118,7 @@ sub map_features {
         $nearby = $c->model('DB::Nearby')->nearby($c, %p);
     }
 
-    return ( $on_map, $nearby );
+    return ( $on_map, $nearby, $p{distance} );
 }
 
 sub click_to_wgs84 {

t/map/tilma/original.t

@@ -93,10 +93,11 @@ for my $test (
         $report->update;
         $c->stash->{report_age_field} = 'lastupdate';
 
-        my ($on_map, $nearby) = FixMyStreet::Map::map_features($c, bbox => "0,0,0,0");
+        my ($on_map, $nearby, $dist) = FixMyStreet::Map::map_features($c, bbox => "0,0,0,0");
 
         ok $on_map;
         ok $nearby;
+        ok $dist;
 
         my $id = $report->id;
         my $colour = $test->{colour};