fix: rename src to avatarUrl in collaborator (#5177)

* fix: rename  to  in collaborator

* update pr link

* fallback to intials on image error

src/types.ts

@@ -47,7 +47,7 @@ export type Collaborator = {
   };
   // The url of the collaborator's avatar, defaults to username intials
   // if not present
-  src?: string;
+  avatarUrl?: string;
 };
 
 export type DataURL = string & { _brand: "DataURL" };