[material_ui] Migrate M3 Divider template to use new gen_defaults - #12915

[material_ui] Migrate M3 Divider template to use new gen_defaults#12915

auto-submit[bot] merged 3 commits into

flutter:mainflutter/packages:mainfrom

QuncCccccc:divider_m3_defaults_migrationQuncCccccc/packages:divider_m3_defaults_migrationCopy head branch name to clipboard