idea - what if selecting a note adds its full title to the search bar
Thus ensuring that if there were multiple search results they don't take up a lot of screen space on small screens. Also as a side benefit ensures that the title of note is positioned right above the content for easy visibility.
Looking at a note with the exact name in the search bar it kind of looks off though since there is a big margin on the bottom of the files list and the title is duplicated between the search field and files list. Maybe another option would be to hide the files list and replace the the search bar with a label (Or a button). Then when escape is hit it that can be hidden and we show the search bar empty again. I suppose a button wouldn't look much different from the search bar though, minus the ">"