Add properties panel entries for artboards (#572)

* Artboards can have properties

* fix crash when renaming artboards

* moved target document to utility types

* moved import and added test for file version information

* fixed missing import

* fix error from merging

* - typed properties message handler data
- removed name from WidgetRow

* clippy warnings

* artboards have seperate properties section

* - color input can be forced to have selection
- crop tool shows on switch
- select tool shows on switch

* variable renamed

* change to use PropType<boolean> instead of PropType<Boolean>

* Add an artboard icon

* Add the "Delete Artboard" hint

* fix unselect glitch

* even better

* Remove the Transform properties group

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

frontend/assets/16px-solid/new-layer.svg

@@ -1,4 +0,0 @@
-<svg viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg">
-	<path d="M13,6h-2V4h-1v2H8v1h2v2h1V7h2V6z" />
-	<path d="M1,2v6.3L6.7,14H15V2H1z M14,13H7V8H2V3h12V13z" />
-</svg>

frontend/assets/16px-solid/node-artboard.svg

@@ -0,0 +1,7 @@
+<svg viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg">
+	<path d="M13,4H5v1h7v9h1V4z" />
+	<path d="M4,11V2H3v10h8v-1H4z" />
+	<rect x="14" y="11" width="1" height="1" />
+	<rect x="1" y="4" width="1" height="1" />
+	<rect x="5" y="6" width="6" height="4" />
+</svg>