Make Modify with Text-to-CAD selection arg optional by honoring skip: false on non-required args (#6992)

* Make "skip = false" non-required args appear in header

* Make non-required, unskippable selection args work

* Make prompt-to-edit's selection arg optional but non-skippable

* Update src/components/CommandBar/CommandBarSelectionInput.tsx

Co-authored-by: graphite-app[bot] <96075541+graphite-app[bot]@users.noreply.github.com>

* Fix dumb logic bug

Thanks for user testing @Irev-dev

* Update mixed input to show selection

Feel free to revert @Irev-Dev if this is the wrong move, but I found it
odd that this component doesn't show the current selection in the text
like the other selection input does, so I copied that over.

* Merge branch 'main' into franknoirot/adhoc/optional-selection-args

* Merge branch 'main' into franknoirot/adhoc/optional-selection-args

* Merge remote-tracking branch 'origin' into franknoirot/adhoc/optional-selection-args

* fix tests

* change copy again

* Update src/components/CommandBar/CommandBarSelectionMixedInput.tsx

Co-authored-by: graphite-app[bot] <96075541+graphite-app[bot]@users.noreply.github.com>

src/lib/commandBarConfigs/modelingCommandConfig.ts

@@ -22,6 +22,7 @@ import {
   KCL_DEFAULT_DEGREE,
   KCL_DEFAULT_LENGTH,
   KCL_DEFAULT_TRANSFORM,
+  ML_EXPERIMENTAL_MESSAGE,
 } from '@src/lib/constants'
 import type { components } from '@src/lib/machine-api'
 import type { Selections } from '@src/lib/selections'
@@ -957,12 +958,13 @@ export const modelingMachineCommandConfig: StateMachineCommandSetConfig<
           'edgeCutEdge',
         ],
         multiple: true,
-        required: true,
+        required: false,
         selectionSource: {
           allowSceneSelection: true,
           allowCodeSelection: true,
         },
-        skip: true,
+        skip: false,
+        warningMessage: ML_EXPERIMENTAL_MESSAGE,
       },
       prompt: {
         inputType: 'text',