Websites not registering the "Create Masked Email..." action

When changing my email at the following websites, the "Create Masked Email..." button either wasn't available or didn't work.

• 1password.community
• account.battle.net
• http://www.coolstuffinc.com
• hub.docker.com
• hulu.com
• http://www.paypal.com
• http://www.epicgames.com
• http://www.shoprunner.com
• http://www.kickstarter.com

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1Password Version: Not Provided
Extension Version: 2.2.3
OS Version: Win11 21H2