Fixed deeply nested template property resolution

commit_hash:ab20e59f17b49d067159784ad367550aeee77e45

.mapping.json

@@ -24691,6 +24691,7 @@
   "test_data/parsing_test_data/required_property_value_is_missing.json":"divkit/public/test_data/parsing_test_data/required_property_value_is_missing.json",
   "test_data/parsing_test_data/simple_values.json":"divkit/public/test_data/parsing_test_data/simple_values.json",
   "test_data/parsing_test_data/templates/cross_level_link_resolution_in_items.json":"divkit/public/test_data/parsing_test_data/templates/cross_level_link_resolution_in_items.json",
+  "test_data/parsing_test_data/templates/deeply_nested_card.json":"divkit/public/test_data/parsing_test_data/templates/deeply_nested_card.json",
   "test_data/parsing_test_data/templates/direct_value_overrides_link.json":"divkit/public/test_data/parsing_test_data/templates/direct_value_overrides_link.json",
   "test_data/parsing_test_data/templates/invalid_value_replaced_with_default_value_in_div_text.json":"divkit/public/test_data/parsing_test_data/templates/invalid_value_replaced_with_default_value_in_div_text.json",
   "test_data/parsing_test_data/templates/link_is_overridden_in_derived_template.json":"divkit/public/test_data/parsing_test_data/templates/link_is_overridden_in_derived_template.json",

client/ios/DivKit/Templates/UntypedDivTemplateResolver.swift

@@ -136,6 +136,13 @@ final class UntypedDivTemplateResolver {
       guard !key.hasPrefix("$") else { continue }
       result[key] = value
     }
+
+    for paramName in parameterNames {
+      if result[paramName] == nil, let value = linkSource[paramName] {
+        result[paramName] = value
+      }
+    }
+
     return result
   }
 

test_data/parsing_test_data/templates/deeply_nested_card.json

@@ -0,0 +1,48 @@
+{
+  "description": "Parameter values are forwarded through a 2-level template chain (container → image) via $-link indirection",
+  "templates": {
+    "inner_template": {
+      "type": "image",
+      "$image_url": "image"
+    },
+    "outer_template": {
+      "type": "container",
+      "items": [
+        {
+          "type": "inner_template"
+        }
+      ]
+    }
+  },
+  "card": {
+    "log_id": "test",
+    "states": [
+      {
+        "state_id": 0,
+        "div": {
+          "type": "outer_template",
+          "image": "https://image.url"
+        }
+      }
+    ]
+  },
+  "expected": {
+    "card": {
+      "log_id": "test",
+      "states": [
+        {
+          "state_id": 0,
+          "div": {
+            "type": "container",
+            "items": [
+              {
+                "type": "image",
+                "image_url": "https://image.url"
+              }
+            ]
+          }
+        }
+      ]
+    }
+  }
+}