feat: Add trial file browser to viewer tabs

[kobe0938]

choose @pierre/trees over other libraries. new dependencies are lightweight:

Total npm package footprint:
Tarball/download size: ~910.6 KiB
Unpacked package size: ~3.39 MiB
Installed node_modules disk usage locally: ~4.7 MiB total

log here: let’s update the harbor hub not only the to the viewer part. but also the
TASK rendering part like this as well @alexgshaw

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[github-actions]

Enjoy a better diff viewing experience by clicking one of these URLs:

• devinreview
• diffshub
• linear

[kobe0938]

update:

[kobe0938]

update:

[kobe0938]

also remove the blue highlighted rectangle on the tree view selected