minor: reuse SessionStateBuilder methods for default builder (#12330)

Author: comphead

datafusion/core/src/execution/session_state.rs

@@ -1035,17 +1035,15 @@ impl SessionStateBuilder {
         }
     }
 
-    /// Set defaults for table_factories, file formats, expr_planners and builtin
-    /// scalar and aggregate functions.
-    pub fn with_default_features(mut self) -> Self {
-        self.table_factories = Some(SessionStateDefaults::default_table_factories());
-        self.file_formats = Some(SessionStateDefaults::default_file_formats());
-        self.expr_planners = Some(SessionStateDefaults::default_expr_planners());
-        self.scalar_functions = Some(SessionStateDefaults::default_scalar_functions());
-        self.aggregate_functions =
-            Some(SessionStateDefaults::default_aggregate_functions());
-        self.window_functions = Some(SessionStateDefaults::default_window_functions());
-        self
+    /// Create default builder with defaults for table_factories, file formats, expr_planners and builtin
+    /// scalar, aggregate and windows functions.
+    pub fn with_default_features(self) -> Self {
+        self.with_table_factories(SessionStateDefaults::default_table_factories())
+            .with_file_formats(SessionStateDefaults::default_file_formats())
+            .with_expr_planners(SessionStateDefaults::default_expr_planners())
+            .with_scalar_functions(SessionStateDefaults::default_scalar_functions())
+            .with_aggregate_functions(SessionStateDefaults::default_aggregate_functions())
+            .with_window_functions(SessionStateDefaults::default_window_functions())
     }
 
     /// Set the session id.