* refactor: Remove uses of AnyDuringMigration from flyout_base.ts.
* refactor: Remove uses of AnyDuringMigration from flyout_metrics_manager.ts.
* refactor: Remove uses of AnyDuringMigration from variables_dynamic.ts.
* refactor: Remove uses of AnyDuringMigration from procedures.ts.
* refactor: Remove uses of AnyDuringMigration from generator.ts.
* refactor: Remove some uses of AnyDuringMigration from menu.ts.
* refactor: Remove uses of AnyDuringMigration from mutator.ts.
* refactor: Remove uses of AnyDuringMigration from variables.ts.
* refactor: Remove uses of AnyDuringMigration from array.ts.
* refactor: Remove uses of AnyDuringMigration from aria.ts.
* refactor: Remove uses of AnyDuringMigration in basic_cursor.ts.
* refactor: Remove uses of AnyDuringMigration in dropdowndiv.ts.
* refactor: Remove uses of AnyDuringMigration in utils.ts.
* refactor: Remove uses of AnyDuringMigration from menuitem.ts.
* refactor: Remove uses of AnyDuringMigration from idgenerator.ts.
* refactor: Remove uses of AnyDuringMigration in block_animations.ts.
* refactor: Initialize definitions and functionNames in generator.ts by default.