FIX: Check for link target attribute on link clink (#10923)

* FEATURE: Add ability to add target to link

This commit will add the ability for a link's target attribute to be specified.

Allowing`target: "_blank"` to work properly.

app/assets/javascripts/discourse/app/widgets/link.js

@@ -97,14 +97,18 @@ export default createWidget("link", {
         );
       }
     }
-
     return result;
   },
 
   click(e) {
+    if (this.attrs.attributes && this.attrs.attributes.target === "_blank") {
+      return;
+    }
+
     if (wantsNewWindow(e)) {
       return;
     }
+
     e.preventDefault();
 
     if (this.attrs.action) {