feat(organizations): display org name for project owner in sharing fo…

…rm TASK-1383 (#5382)

### 📣 Summary
When a project is owned by an organization, the sharing form will
display the name of that organization instead of the user name of the
organization owner.

### 👀 Preview steps
1. Create an MMO and a project owned by that MMO
2. Share project with one user who is a member of the MMO and another
user outside of the MMO
3. Log in as other user and open sharing form
4. Notice that the MMO name is displayed, rather than the owner's name,
on the owner row
5. Notice that the non-owner MMO member's username is displayed, rather
than the org name

jsapp/js/components/permissions/sharingForm.component.tsx

@@ -165,6 +165,13 @@ export default class SharingForm extends React.Component<
     }
   }
 
+  getOwnerOrOrgLabel(name: string, isOwner: boolean) {
+    if (isOwner) {
+      return this.state.asset ? this.state.asset.owner_label : name;
+    }
+    return name;
+  }
+
   /** Check if the recipient of the transfer is the specified user */
   isPendingOwner(username: string) {
     return this.state.asset?.project_ownership?.status ===
@@ -261,7 +268,7 @@ export default class SharingForm extends React.Component<
                 permissions={perm.permissions}
                 isUserOwner={perm.user.isOwner}
                 isPendingOwner={this.isPendingOwner(perm.user.name)}
-                username={perm.user.name}
+                username={this.getOwnerOrOrgLabel(perm.user.name, perm.user.isOwner)}
               />
             );
           })}