Fix misaligned/uneven footer on low width and/or long footer.

[dng-nguyn]

trafficstars

What does this PR change? What problem does it solve?

This PR fixes the uneven/misaligned footer because of a missing operator.

Was the change discussed in an issue or in the Discussions before? I haven't found one.

Before: After:

Closes #1427

PR Checklist

• [ ] This change adds/updates translations and I have used the template present here.
• [x] I have enabled maintainer edits for this PR.
• [x] I have verified that the code works as described/as intended.
• [ ] This change adds a Social Icon which has a permissive license to use it.
• [x] This change does not include any CDN resources/links.
• [x] This change does not include any unrelated scripts such as bash and python scripts.
• [x] This change updates the overridden internal templates from HUGO's repository.

[sonarqubecloud[bot]]

Quality Gate passed

Issues
0 New issues

Measures
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarCloud

[adityatelange]

This happens when we add stuff after the poweredby string and is a custom modification.

[adityatelange]

Should never happen after https://github.com/adityatelange/hugo-PaperMod/commit/28b86cb5a602f4a64e90dce035e30ebe9fad1d6a