Add segment editing mode to the Path tool (#2712)

* Segment select mode upto dragging

* Lasso select for segment editing

* Formatting

* Compatibility with point selection mode

* Add delete segment support and drawing from inside of shape

* Add GRS support for selected segments

* Cleanup and add dynamic hints

* Fix double click behaviour and overlays

* Format code

* Fix merge

* Fix Lint

* Fix formatting

* Fix lasso bug

* Code review

---------

Co-authored-by: Keavon Chambers <keavon@keavon.com>

frontend/assets/icon-12px-solid/dot.svg

@@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 12 12">
+	<circle cx="6" cy="6" r="1.5" />
+</svg>