Fix a name clash in the codegen'd python

Author: abey79

crates/store/re_types/definitions/rerun/blueprint/datatypes/component_column_selector.fbs

@@ -12,7 +12,9 @@ table ComponentColumnSelector (
   entity_path: rerun.datatypes.EntityPath (order: 100);
 
   /// The name of the component.
-  component_name: rerun.datatypes.Utf8 (order: 200);
+  // NOTE: this field cannot be named `component_name`, because it would then clash with
+  // `ComponentMixin.component_name()` in the Python API.
+  component: rerun.datatypes.Utf8 (order: 200);
 
-  //TODO(ab, jleibs): many more fields to come.
+  //TODO(ab, jleibs): many more fields to come (archetype, etc.)
 }

crates/store/re_types/src/blueprint/components/component_column_selector_ext.rs

@@ -6,7 +6,7 @@ impl super::ComponentColumnSelector {
     pub fn new(entity_path: &EntityPath, component_name: ComponentName) -> Self {
         crate::blueprint::datatypes::ComponentColumnSelector {
             entity_path: entity_path.into(),
-            component_name: component_name.as_str().into(),
+            component: component_name.as_str().into(),
         }
         .into()
     }