Rename remaining mentions of "inline completion" to "edit prediction" (#35512)

Release Notes:

- N/A

crates/rules_library/src/rules_library.rs

@@ -1101,7 +1101,7 @@ impl RulesLibrary {
                                                 inlay_hints_style: editor::make_inlay_hints_style(
                                                     cx,
                                                 ),
-                                                inline_completion_styles:
+                                                edit_prediction_styles:
                                                     editor::make_suggestion_styles(cx),
                                                 ..EditorStyle::default()
                                             },