feat(mfa): wrap change primary email action with MFA guard
commit 4e3cc09a7c7a8566109e1eeef5ada1e3b8d70744 Author: MagentaManifold <17zhaomingyuan@gmail.com> Date: Wed Sep 24 10:15:49 2025 -0400 feat(mfa): wrap change primary email action with MFA guard Because: * we want mfa for sensitive actions This commit: * wraps change primary email action with MFA guard Closes #FXA-12226