Consistently reference theme_root_icon

[mbudisic]

Removed explicit py.svg references in layout.html with theme_root_icon paths.

This pull request changes paths lines 17 and 103 to match line 74 in the base branch.

[ghost]

All commit authors signed the Contributor License Agreement.

[hugovk]

Good idea.

Although "Logo" isn't a great alt text, can we also add something like root_icon_alt_text to the config?

• https://webaim.org/techniques/alttext/#logos
• https://sc.edu/about/offices_and_divisions/digital-accessibility/toolbox/best_practices/alternative_text/logo-alt-text/index.php
• https://www.a11yproject.com/posts/alt-text/

[hugovk]

Thanks!

[mbudisic]

Thank you for suggestions!

[AA-Turner]

Per the documentation:

This, however, is not the preferred way to concatenate strings! For string concatenation, have a look-see at the ~ operator.

https://jinja.palletsprojects.com/en/3.1.x/templates/#other-operators

~ (tilde)

Converts all operands into strings and concatenates them.

As