Use case or problem
Most of the time I open the files using the Quick Switcher. When I do that, the file opens in the main panel, but I still find it difficult to locate in the File Explorer panel. So if I want to open a file and then create another file in the same directory, I still have to manually dig through the folders in the File Explorer until I remember where the file is located.
Proposed solution
Use VSCode as an example. When you open a file with Cmd+P (VSCode equivalent of quick switcher), the explorer panel automatically scrolls to the opened file and highlights it.