Unify create-flow gutters, viewport height, and action-bar width so tablet and wide layouts stay aligned with step content.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/(app)/create/utils/flowSteps.ts

@@ -195,13 +195,14 @@ export function shouldOfferCreateFlowSaveAndExit(
 
 /**
  * Steps where below `lg` the main column scrolls with split layout
- * (`CreateFlowLayoutClient` — Linear CR-92 §4).
+ * (`CreateFlowLayoutClient`).
  */
 export const CREATE_FLOW_SELECT_SPLIT_SCROLL_STEPS: readonly CreateFlowStep[] = [
   "community-size",
   "community-structure",
   "core-values",
   "decision-approaches",
+  "confirm-stakeholders",
 ] as const;
 
 export function createFlowStepUsesSelectSplitScroll(