lints: A bunch of extra style lint fixes (#36568)

- **lints: Fix 'doc_lazy_continuation'**
- **lints: Fix 'doc_overindented_list_items'**
- **inherent_to_string and io_other_error**
- **Some more lint fixes**
- **lints: enable bool_assert_comparison, match_like_matches_macro and
wrong_self_convention**


Release Notes:

- N/A

crates/assistant_slash_commands/src/tab_command.rs

@@ -157,7 +157,7 @@ impl SlashCommand for TabSlashCommand {
             for (full_path, buffer, _) in tab_items_search.await? {
                 append_buffer_to_output(&buffer, full_path.as_deref(), &mut output).log_err();
             }
-            Ok(output.to_event_stream())
+            Ok(output.into_event_stream())
         })
     }
 }