Boolean create UI (#5906)

* first steps, add to cmd bar etc

* cmdbar working well enough

* mvp

* lint

* fix after rebase

* intersect and union mvps

* add test

* some clean up

* further fix up

* Update src/lang/modifyAst/boolean.ts

Co-authored-by: Pierre Jacquier <pierrejacquier39@gmail.com>

* Update src/lang/modifyAst/boolean.ts

Co-authored-by: Pierre Jacquier <pierrejacquier39@gmail.com>

* pierre's comments

* tsc

* add comment

---------

Co-authored-by: Pierre Jacquier <pierrejacquier39@gmail.com>

src/components/CommandBar/CommandBarSelectionInput.tsx

@@ -6,7 +6,7 @@ import {
   getSelectionCountByType,
   getSelectionTypeDisplayText,
 } from 'lib/selections'
-import { kclManager } from 'lib/singletons'
+import { engineCommandManager, kclManager } from 'lib/singletons'
 import { reportRejection } from 'lib/trap'
 import { toSync } from 'lib/utils'
 import { commandBarActor, useCommandBarState } from 'machines/commandBarMachine'
@@ -112,6 +112,23 @@ function CommandBarSelectionInput({
     onSubmit(selection)
   }
 
+  // Clear selection if needed
+  useEffect(() => {
+    arg.clearSelectionFirst &&
+      engineCommandManager.modelingSend({
+        type: 'Set selection',
+        data: {
+          selectionType: 'singleCodeCursor',
+        },
+      })
+  }, [arg.clearSelectionFirst])
+
+  // Set selection filter if needed, and reset it when the component unmounts
+  useEffect(() => {
+    arg.selectionFilter && kclManager.setSelectionFilter(arg.selectionFilter)
+    return () => kclManager.defaultSelectionFilter(selection)
+  }, [arg.selectionFilter])
+
   return (
     <form id="arg-form" onSubmit={handleSubmit}>
       <label