Change icon URL for polymorphic behavior training

Author: Arvin166

learn-pr/wwl-azure/implement-polymorphic-behavior/index.yml

@@ -34,7 +34,7 @@ prerequisites: |
   -   The ability to create interfaces that define a contract for the classes implemented by a basic object-oriented program written in C#.
 
   -   The ability to create a class hierarchy by using base and derived classes.
-iconUrl: /training/achievements/generic-badge.svg
+iconUrl: /training/achievements/visual-studio-module.svg
 levels:
 - beginner
 roles:
@@ -57,4 +57,4 @@ units:
 - learn.wwl.implement-polymorphic-behavior.knowledge-check
 - learn.wwl.implement-polymorphic-behavior.summary
 badge:
-  uid: learn.wwl.implement-polymorphic-behavior.badge
+  uid: learn.wwl.implement-polymorphic-behavior.badge