Expose profile domain

profiles/src/store/mod.rs

@@ -89,6 +89,10 @@ impl Profile {
         &self.handle
     }
 
+    pub fn domain(&self) -> &str {
+        &self.domain
+    }
+
     pub fn display_name(&self) -> Option<&str> {
         self.display_name.as_ref().map(|dn| dn.as_str())
     }