Assemblies: UX improvements around foreign file imports (#6159)

* WIP: Add point-and-click Import for geometry
Will eventually fix #6120
Right now the whole loop is there but the codemod doesn't work yet

* Better pathToNOde, log on non-working cm dispatch call

* Add workaround to updateModelingState not working

* Back to updateModelingState with a skip flag

* Better todo

* Change working from Import to Insert, cleanups

* Sister command in kclCommands to populate file options

* Improve path selector

* Unsure: move importAstMod to kclCommands onSubmit 😶

* Add e2e test

* Clean up for review

* Add native file menu entry and test

* No await yo lint said so

* WIP: UX improvements around foreign file imports
Fixes #6152

* @lrev-Dev's suggestion to remove a comment

Co-authored-by: Kurt Hutten <k.hutten@protonmail.ch>

* Update to scene.settled(cmdBar)

* Add partNNN default name for alias

* Lint

* Lint

* Fix unit tests

* Add sad path insert test
Thanks @Irev-Dev for the suggestion

* Add step insert test

* Lint

* Add test for second foreign import thru file tree click

* Add default value for local name alias

* Aligning tests

* Fix tests

* Add padding for filenames starting with a digit

---------

Co-authored-by: Kurt Hutten <k.hutten@protonmail.ch>

src/lib/constants.ts

@@ -1,4 +1,5 @@
 import type { Models } from '@kittycad/lib/dist/types/src'
+import type { FileImportFormat_type } from '@kittycad/lib/dist/types/src/models'
 
 import type { UnitAngle, UnitLength } from '@rust/kcl-lib/bindings/ModelingCmd'
 
@@ -37,13 +38,24 @@ export const FILE_PERSIST_KEY = `${PROJECT_FOLDER}-last-opened` as const
 export const DEFAULT_FILE_NAME = 'Untitled'
 /** The file endings that will appear in
  * the file explorer if found in a project directory */
-export const RELEVANT_FILE_TYPES = [
+// TODO: make stp part of this enum as an alias to step
+// TODO: make glb part of this enum as it is in fact supported
+export type NativeFileType = 'kcl'
+export type RelevantFileType =
+  | FileImportFormat_type
+  | NativeFileType
+  | 'stp'
+  | 'glb'
+export const NATIVE_FILE_TYPE: NativeFileType = 'kcl'
+export const RELEVANT_FILE_TYPES: RelevantFileType[] = [
   'kcl',
   'fbx',
   'gltf',
   'glb',
   'obj',
   'ply',
+  'sldprt',
+  'stp',
   'step',
   'stl',
 ] as const
@@ -131,6 +143,9 @@ export const CREATE_FILE_URL_PARAM = 'create-file'
 /** Toast id for the app auto-updater toast */
 export const AUTO_UPDATER_TOAST_ID = 'auto-updater-toast'
 
+/** Toast id for the insert foreign part toast */
+export const INSERT_FOREIGN_TOAST_ID = 'insert-foreign-toast'
+
 /** Local sketch axis values in KCL for operations, it could either be 'X' or 'Y' */
 export const KCL_AXIS_X = 'X'
 export const KCL_AXIS_Y = 'Y'