Zoom isn't window specific

This template is for bug report only:

  • Lettera Version: Version 1.0.0 (4091)
  • macOS Version: 26.5.2 (25F84)
  • What were you doing: Trying to zoom in on a specific document
  • What feature did you use: command-+ and command–
  • What happened: All windows applied the zoom
  • What did you expect to happen: Zoom applied just to the window that had focus