Mobile: Fixes #11183: Fix new note/edit buttons only work if pressed quickly

[personalizedrefrigerator]

Summary

This pull request fixes #11183 by increasing the long press delay to 10s. Joplin currently doesn't use the long press event, so it should be safe to set this to a large value.

Note: A built version of this pull request has been deployed to https://personalizedrefrigerator.github.io/joplin/web-client/ .

Testing plan

Android 13:

1. Open a folder.
2. Quickly tap the "+" button.
3. Verify that this opens the "new to-do"/"new note" menu.
4. Tap and hold the "x" button for roughly 2s.
5. Verify that the menu closes when the gesture ends.
6. Tap and hold the "+" button for roughly 2s.
7. Verify that the "new note"/"new to-do" menu opens.
8. Tap and hold "new note" for roughly 1s.
9. Verify that a new note is opened in the editor.
10. Enter a title and open the note viewer.
11. Tap and hold the edit button for roughly 4s.
12. Verify that releasing the button switches to edit mode.