feat: made warnings undo redo safe and added warnings to phase nodes

ref: N25B-450

src/pages/VisProgPage/visualProgrammingUI/components/WarningSidebar.tsx

@@ -19,9 +19,6 @@ export function WarningsSidebar() {
     ? warnings
     : warnings.filter(w => w.severity === severityFilter);
 
-
-
-
   return (
     <aside className={styles.warningsSidebar}>
       <WarningsHeader
@@ -83,7 +80,7 @@ function WarningsList(props: { warnings: EditorWarning[] }) {
     )
   }
   return (
-    <div>
+    <div style={{overflowY: 'auto'}}>
       <div className={"warningGroup"}>
         <div className={styles.warningGroupHeader}>global:</div>
         <div className={styles.warningsList}>