iOS bug: Plain-Text files by default opened by any other apps.
They are by default opened by any other note-taking app you have installed, like Runestone or Notion or Evernote, when opened in the native Files app. I want to view these files normally in the Files app without them opening in any note-taking app. Neither closing the note-taking app nor reinstalling it fixes it. In fact, after deleting those note-taking apps, the option to open a file inside them is still visible on the UI in the file-viewer when viewing a file in the Files app.
Like this
iPad Air 3, iPadOS 16