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/default_command.rs

@@ -85,7 +85,7 @@ impl SlashCommand for DefaultSlashCommand {
                 text,
                 run_commands_in_text: true,
             }
-            .to_event_stream())
+            .into_event_stream())
         })
     }
 }