Release v26.3.13

26.3.13

• Added Markdown heading folding in the note editor with clickable gutter
  toggles, fold/unfold-all actions, and a new Editor setting to enable or
  disable the feature (for #2126)
• Added a new "Files" tab to the Navigation panel that lists linked media files
  and attachments under separate root items, jumps to the selected link in the
  current note, and offers a context menu action to open the file externally
  (for #3499)
• Added inline renaming for linked media files and attachments in the Navigation
  panel's "Files" tab via F2, with a follow-up refactoring prompt that tells
  you how many note files will be updated before renaming linked filenames
  everywhere (for #3499)
• Added deleting linked media files and attachments from the Navigation panel's
  "Files" tab via Del and a context menu action, with confirmations that show
  how many note files can be updated and an optional follow-up dialog to remove
  those file links everywhere (for #3499)
• Changed the Navigation panel to only show the optional "Files" and
  "Backlinks" tabs when the current note actually has file links or backlinks
  to display (for #3499)
• Changed Navigation panel tab visibility checks for the optional "Files" and
  "Backlinks" tabs to run in the background so the UI stays responsive
  (for #3499)