Enable Boolean op deletion from the feature tree (#6637)

* Can't Delete Union From Feature Tree
Fixes #6584. Works locally but the new tests don't appear to work yet

* Change tests to right-click > Delete

e2e/playwright/boolean.spec.ts

@@ -111,9 +111,25 @@ test.describe('Point and click for boolean workflows', () => {
         }
 
         await cmdBar.submit()
-
+        await scene.settled(cmdBar)
         await editor.expectEditor.toContain(operation.code)
       })
+
+      await test.step(`Delete ${operationName} operation via feature tree selection`, async () => {
+        await toolbar.openPane('feature-tree')
+        const op = await toolbar.getFeatureTreeOperation(operationName, 0)
+        await op.click({ button: 'right' })
+        await page.getByTestId('context-menu-delete').click()
+        await scene.settled(cmdBar)
+        await toolbar.closePane('feature-tree')
+
+        // Expect changes in ft and code
+        await toolbar.openPane('code')
+        await editor.expectEditor.not.toContain(operation.code)
+        await expect(
+          await toolbar.getFeatureTreeOperation(operationName, 0)
+        ).not.toBeVisible()
+      })
     })
   }
 })

src/lang/modifyAst/deleteFromSelection.ts

@@ -161,6 +161,7 @@ export async function deleteFromSelection(
       varDec.node.init.type === 'PipeExpression') ||
     selection.artifact?.type === 'sweep' ||
     selection.artifact?.type === 'plane' ||
+    selection.artifact?.type === 'compositeSolid' ||
     selection.artifact?.type === 'helix' ||
     !selection.artifact // aka expected to be a shell at this point
   ) {
@@ -170,6 +171,7 @@ export async function deleteFromSelection(
       selection.artifact &&
       selection.artifact.type !== 'sweep' &&
       selection.artifact.type !== 'plane' &&
+      selection.artifact.type !== 'compositeSolid' &&
       selection.artifact.type !== 'helix'
     ) {
       const varDecName = varDec.node.id.name