fixed bug that was causing extra spacing in footer

[lougoncharenko]

PR Summary:

Footer will not have extra space when unchecking the "Show email signup" setting in the footer.

Why are these changes introduced?

Fixes #2691 .

What approach did you take?

Added and has_social_icons == true in the section block to check if social media icons are present.

Other considerations

N/A

Visual impact on existing themes

If a merchant chooses to add an email sign up section and remove the default email sign up, there will no longer be a extra space between both section.

Testing steps/scenarios

• Add email sign up section above the footer
• uncheck "Show email signup" setting in the footer
• add social media icons
• uncheck language/ currency selector
• add color schema

Demo links

• Editor

Checklist

• Added PR summary for release notes
• Requested review from UX (Only for changes that are affecting the experience or perceivable visual details)
• Created a ticket for the help.shopify.com documentation team about updates to theme settings. (Internal-only task)
• Followed theme code principles
• Linted with Theme Check
• Tested on mobile
• Tested on multiple browsers
• Tested for accessibility