Display package description rather than summary

[RRosio]

This PR adds a conditional to grab the package description unless it is empty, in which case the summary is pulled. It also cuts the description with an ellipsis but keeps the full description in the tooltip

[github-actions]

👈 Launch a binder notebook on the branch RRosio/gator/fix_pkg_descriptions

[Copilot]

Pull request overview

This PR updates the package list display to show package descriptions instead of summaries, with a fallback to summary when description is empty. The description text is truncated to 2 lines with an ellipsis, while the full text remains available in a tooltip.

Key changes:

• Backend logic modified to prefer description over summary field
• CSS styling updated to implement multi-line text truncation with ellipsis
• Text alignment changed from flex-start to center for better visual presentation

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 3 comments.

File	Description
mamba_gator/envmanager.py	Updated package info retrieval to prefer description field over summary, with fallback logic
packages/common/src/components/CondaPkgList.tsx	Modified CSS styling to implement 2-line text truncation with webkit line-clamp properties

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[RRosio]

For some packages, it does look like the summary is more concise and maybe better suited here... but in other cases it might be the description that provides a more helpful idea of the package functionality...