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/context_server/src/client.rs

@@ -67,11 +67,7 @@ pub(crate) struct Client {
 pub(crate) struct ContextServerId(pub Arc<str>);
 
 fn is_null_value<T: Serialize>(value: &T) -> bool {
-    if let Ok(Value::Null) = serde_json::to_value(value) {
-        true
-    } else {
-        false
-    }
+    matches!(serde_json::to_value(value), Ok(Value::Null))
 }
 
 #[derive(Serialize, Deserialize)]