Improvements for Search and Replace window
1. Double clicking the row should automatically select the corresponding part/mesh in the canvas. This will help checking correct part easier
2. Checkboxes in "Select in Canvas" serves no purpose, it should be a regular button instead. Also you should give it different labels (eg. "Pick selection by Name" or "Pick selection by ID"). Having two similar named label is confusing, and just one of few examples of bad UX in Live2D.