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/kclCommands.ts

@@ -17,12 +17,14 @@ import {
   EXECUTION_TYPE_REAL,
   FILE_EXT,
 } from '@src/lib/constants'
+import { getPathFilenameInVariableCase } from '@src/lib/desktop'
 import { isDesktop } from '@src/lib/isDesktop'
 import { copyFileShareLink } from '@src/lib/links'
 import { baseUnitsUnion } from '@src/lib/settings/settingsTypes'
 import { codeManager, editorManager, kclManager } from '@src/lib/singletons'
 import { err, reportRejection } from '@src/lib/trap'
 import type { IndexLoaderData } from '@src/lib/types'
+import type { CommandBarContext } from '@src/machines/commandBarMachine'
 import { IS_NIGHTLY_OR_DEBUG } from '@src/routes/utils'
 
 interface OnSubmitProps {
@@ -122,6 +124,14 @@ export function kclCommands(commandProps: KclCommandConfig): Command[] {
         localName: {
           inputType: 'string',
           required: true,
+          defaultValue: (context: CommandBarContext) => {
+            if (!context.argumentsToSubmit['path']) {
+              return
+            }
+
+            const path = context.argumentsToSubmit['path'] as string
+            return getPathFilenameInVariableCase(path)
+          },
         },
       },
       onSubmit: (data) => {