style: improve Jira cell style

[fridajac]

Hey, I just made a Pull Request!

This PR enhances the readability and overview of Jira issues in the tables by adjusting cell styles:

Changes:

• Reduced user avatar size for a more compact layout
• Added whiteSpace: 'nowrap' to issue key and summary columns to prevent text wrapping across multiple rows
• Applied text truncation to summary column with:
  • maxWidth: 300px
  • overflow: 'hidden'
  • textOverflow: 'ellipsis'

Context

• Previously, text wrapping across multiple rows made it difficult to scan and compare issues at a glance. These styling improvements create a cleaner, more condensed table view that allows users to quickly review multiple issues without excessive scrolling.

Example:

Screenshots:

After:

Checklist before requesting a review

• I have performed a self-review of my own code
• I have verified that the code builds perfectly fine on my local system
• I have verified that my code follows the style already available in the repository
• A changeset describing the change and affected packages. (more info)
• Screenshots attached (for UI changes)

[changeset-bot]

🦋 Changeset detected

Latest commit: 608fa88

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 4 packages

Name	Type
@axis-backstage/plugin-jira-dashboard	Patch
app-next	Patch
app	Patch
backend	Patch

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