Bug: Cookie banner reappears after user accepts cookies

[CodeWritingCow]

Describe the bug
After a user accepts cookies on the Clean & Green website, the cookie consent banner still appears whenever the user opens the site in a new browser window or tab.

To Reproduce

1. Go to https://www.cleanandgreenphilly.org.
2. Click on 'Accept' button in the cookie consent banner at the bottom of the screen.
3. Open a new browser window or tab, then go to https://www.cleanandgreenphilly.org.
4. Cookie banner will appear at the bottom of the screen in the new tab/window.

Expected behavior
If a user accepts having cookies on the website, and opens the site in a new browser window or tab, the cookie consent banner should not reappear.

Screenshots
Here is a screen recording of the bug:

cookie.consent.banner.mov

Desktop

• OS: macOS
• Browser: Google Chrome and Safari
• Version: Chrome 126.0.6478.62, Safari 17.5

Additional context
This bug is related to Pull Request #635.

[JT0Y]

Greetings and salutations-
Could I take a whack at this and get this assigned to me? I was looking through the code and it looks like we aren't using local storage here. I have some test code that I can cleanup and further test if we are okay with that implementation.

[CodeWritingCow]

@JT0Y it's yours!