Don't validate prefixes and postfixes for db item ownership

src/core/database_privileges.rs

@@ -160,7 +160,9 @@ pub fn generate_editor_content_from_privilege_data(
     database_name: Option<&str>,
 ) -> String {
     let example_user = format!("{}_user", unix_user);
-    let example_db = database_name.unwrap_or(&format!("{}_db", unix_user)).to_string();
+    let example_db = database_name
+        .unwrap_or(&format!("{}_db", unix_user))
+        .to_string();
 
     // NOTE: `.max()`` fails when the iterator is empty.
     //       In this case, we know that the only fields in the