[core] fix querying circles across tile boundaries

src/mbgl/tile/geometry_tile.cpp

@@ -201,6 +201,17 @@ Bucket* GeometryTile::getBucket(const Layer::Impl& layer) const {
     return it->second.get();
 }
 
+float GeometryTile::getQueryPadding(const std::vector<const RenderLayer*>& layers) {
+    float queryPadding = 0;
+    for (const RenderLayer* layer : layers) {
+        auto bucket = getBucket(*layer->baseImpl);
+        if (bucket) {
+            queryPadding = std::max(queryPadding, bucket->getQueryRadius(*layer));
+        }
+    }
+    return queryPadding;
+}
+
 void GeometryTile::queryRenderedFeatures(
     std::unordered_map<std::string, std::vector<Feature>>& result,
     const GeometryCoordinates& queryGeometry,
@@ -210,14 +221,7 @@ void GeometryTile::queryRenderedFeatures(
 
     if (!getData()) return;
 
-    // Determine the additional radius needed factoring in property functions
-    float additionalRadius = 0;
-    for (const RenderLayer* layer : layers) {
-        auto bucket = getBucket(*layer->baseImpl);
-        if (bucket) {
-            additionalRadius = std::max(additionalRadius, bucket->getQueryRadius(*layer));
-        }
-    }
+    const float queryPadding = getQueryPadding(layers);
 
     latestFeatureIndex->query(result,
                               queryGeometry,
@@ -227,7 +231,7 @@ void GeometryTile::queryRenderedFeatures(
                               options,
                               id.toUnwrapped(),
                               layers,
-                              additionalRadius);
+                              queryPadding);
 }
 
 void GeometryTile::querySourceFeatures(