[ENH] Show info about available imaging contrasts in overview datatable

[alyssadai]

Is there an existing issue for this?

• I have searched the existing issues

New feature

Users should be able to filter for subject-sessions that had a specific imaging contrast (T1w, BOLD, etc) acquired (info based on BIDS file suffixes).

Steps to implement

• Parse HAS_IMAGE__ column and add it to overview datatable.
• Ensure string filtering works in combo with dropdown session filtering.

[github-actions]

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We have applied the stale-issue label to indicate that this issue should be reviewed again and then either prioritized or closed.

[github-actions]

We want to keep our issues up to date and active. This issue hasn't seen any activity in the last 30 days.
We have applied the stale-issue label to indicate that this issue should be reviewed again and then either prioritized or closed.