Improvements

Added dark mode settings to also apply to the preferences and update windows on desktop.
On desktop, updated walkthrough interfaces to also support dark mode.

Bug Fixes

Fixed node duplication bug, where nodes that were themselves duplicated could not be duplicated again.
Addressed a bug where node duplication could not successfully integrate with the action history if undone/redone multiple times.
Corrected bug where undo/redo was not working for certain cases of adding sibling nodes.
Fixed bug where random colors of H2 level nodes are not replicated when undo/redo is executed adding them.
On iPad, added the auto-expand lines keyboard shortcut, available from within the content editor.
Fixed a bug on the iPad where using Cmd+E and Cmd+W keyboard shortcuts in quick succession resulted in a botched interface.
Corrected a iPad bug where WriteMap files were not being added to the Recents menu upon actions like saving or closing.
Fixed root nodes of new WriteMaps on iPad flashing blue when default node color is set to colors other than blue.

WriteMapper 1.7.2