fix: support dyn select for sub flow (#6835)

* support subflow

* update

* Update frontend/src/lib/common.ts

Co-authored-by: claude[bot] <209825114+claude[bot]@users.noreply.github.com>

---------

Co-authored-by: Ruben Fiszel <ruben@windmill.dev>
Co-authored-by: claude[bot] <209825114+claude[bot]@users.noreply.github.com>

frontend/src/lib/common.ts

@@ -1,4 +1,4 @@
-import type { Script } from './gen'
+import type { Script, ScriptLang } from './gen'
 
 export type OwnerKind = 'group' | 'user' | 'folder'
 
@@ -109,6 +109,8 @@ export function modalToSchema(schema: ModalSchemaProperty): SchemaProperty {
 export type Schema = {
 	$schema: string | undefined
 	type: string
+	"x-windmill-dyn-select-code"?: string
+	"x-windmill-dyn-select-lang"?: ScriptLang
 	properties: { [name: string]: SchemaProperty }
 	order?: string[]
 	required: string[]

frontend/src/lib/components/flows/content/FlowModuleComponent.svelte

@@ -325,6 +325,13 @@
 					lang: value.language
 				}
 				break
+			case 'flow':
+				helperScript = {
+					source: 'deployed',
+					path: value.path,
+					runnable_kind: 'flow'
+				}
+				break
 			default:
 				helperScript = undefined
 		}