Fix 100 year scheduling flow

[fditrapani]

Problem

When you schedule a 100-year plan intro session, there's an intermediate step that shows for a brief moment.

Screen.Recording.2025-03-27.at.8.56.33.AM.mov

It looks like a glitch. Can we skip that interstitial screen and go directly to our confirmation step at the end?

Where

Schedule a call from here: https://wordpress.com/setup/hundred-year-plan/diy-or-difm?ref=100-year-lp

[github-actions]

OpenAI suggested the following labels for this issue:

• [Feature Group] Plans & Upgrades: The issue pertains to scheduling, which could involve user plans with a potential impact on upgrading or managing those plans.
• [Feature] Calendar: The scheduling flow mentioned implies functionality related to calendar integration for planning sessions.
• [Feature] User Interaction & Engagement: The issue relates to how users interact with the scheduling feature, specifically concerning a glitch in the flow.

[claudiucelfilip]

Pushed a fix to this PR.