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_context/src/assistant_context_tests.rs

@@ -1436,6 +1436,6 @@ impl SlashCommand for FakeSlashCommand {
             sections: vec![],
             run_commands_in_text: false,
         }
-        .to_event_stream()))
+        .into_event_stream()))
     }
 }