[material_ui] Migrate M3 Badge template to use new gen_defaults#12218

QuncCccccc wants to merge 2 commits into

flutter:m3e_migrationflutter/packages:m3e_migrationfrom

QuncCccccc:badge_m3_defaults_migrationQuncCccccc/packages:badge_m3_defaults_migrationCopy head branch name to clipboard