fix: remove   from column header text for aria-label accessibility

[jguo144]

Description

Column headers in DataTable views were replacing spaces in column names with the string  . DataTables derives the aria-label for sort buttons from the content by stripping HTML tags but does not decode HTML entities.

As a result, the generated aria-label values contained literal   strings (for example: Column Name  : activate to sort column ascending). Screen readers would read these literally as “ampersand n b s p semicolon” instead of interpreting them as spaces.

Changes

• Removed nbspval variable
• Changed to {{ field.info.label + " " }} and {{ field.id + " " }} (adds regular space)
• Moved   to only appear after the info icon (when present)

[orca-security-us]

Orca Security Scan Summary

Status	Check	Issues by priority
Passed	Infrastructure as Code	0   0   0   0	View in Orca
Passed	Secrets	0   0   0   0	View in Orca
Passed	Vulnerabilities	0   0   0   0	View in Orca

[jguo144]

Code review

No issues found. Checked for bugs and CLAUDE.md compliance.

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