* Enable multi points in lines * Stop retrieving arrow points for lines * Migrate lines to new spec during load * Clean up and refactor some code - Normalize shape dimensions during load - Rename getArrowAbsoluteBounds * Fix linter issues
* normalize dimensions of non-linear elements * fix element type check regression
* Draw horizontal/vertical lines/arrows when shift pressed * Refactor resizing with delta * Resize arrows/lines perfectly when shift pressed