fix(web): show empty-state messages in the browse file-tree panel#1531

Harsh23Kashyap wants to merge 4 commits into

sourcebot-dev:mainsourcebot-dev/sourcebot:mainfrom

Harsh23Kashyap:fix/empty-repo-tree-previewHarsh23Kashyap/sourcebot-fork-test:fix/empty-repo-tree-previewCopy head branch name to clipboard