make RunForm schedule props optional and expect 403 for operator drafts (#11449)

Co-authored-by: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

backend/windmill-api-integration-tests/tests/drafts.rs

@@ -165,7 +165,7 @@ async fn test_update_draft_write_authorization(db: Pool<Postgres>) -> anyhow::Re
         .json(&json!({ "value": { "a": 1 } }))
         .send()
         .await?;
-    assert_eq!(r.status(), 401, "operator rejected");
+    assert_eq!(r.status(), 403, "operator rejected");
 
     Ok(())
 }

frontend/src/lib/components/RunForm.svelte

@@ -116,9 +116,9 @@
 		loading?: boolean
 		noVariablePicker?: boolean
 		viewKeybinding?: boolean
-		scheduledForStr: string | undefined
-		invisible_to_owner: boolean | undefined
-		overrideTag: string | undefined
+		scheduledForStr?: string | undefined
+		invisible_to_owner?: boolean | undefined
+		overrideTag?: string | undefined
 		overrideTagNote?: string
 		args?: Record<string, any>
 		jsonView?: boolean