chore: fix delete last page doesn't refresh the right panel

[nina992]

Overview

This pr is to fix the issue of page delete in story panel as , when the user delete last page in left story panel , the right panel should be refreshed accordingly , but that wasn't happened.

What I've done

What I haven't done

How I tested

Which point I want you to review particularly

Memo

[netlify]

✅ Deploy Preview for reearth-web ready!

Name	Link
🔨 Latest commit	9c7c1d0
🔍 Latest deploy log	https://app.netlify.com/sites/reearth-web/deploys/653e57a0f39cf70008fd0a22
😎 Deploy Preview	https://deploy-preview-771--reearth-web.netlify.app/
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[netlify]

✅ Deploy Preview for reearth-web ready!

Name	Link
🔨 Latest commit	ce3a60e
🔍 Latest deploy log	https://app.netlify.com/sites/reearth-web/deploys/653f4a0a57890d00085b0042
😎 Deploy Preview	https://deploy-preview-771--reearth-web.netlify.app/
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[codecov]

Codecov Report

Merging #771 (ce3a60e) into main (9cab761) will increase coverage by 0.01%.
The diff coverage is 0.00%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #771      +/-   ##
==========================================
+ Coverage   26.25%   26.27%   +0.01%     
==========================================
  Files        1610     1609       -1     
  Lines      176136   176045      -91     
  Branches     3898     3900       +2     
==========================================
+ Hits        46253    46256       +3     
+ Misses     128794   128700      -94     
  Partials     1089     1089              

Flag	Coverage Δ
web	24.55% <0.00%> (+<0.01%)	⬆️
web-beta	24.55% <0.00%> (+<0.01%)	⬆️
web-classic	24.55% <0.00%> (+<0.01%)	⬆️
web-utils	24.55% <0.00%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
...ta/features/Editor/tabs/story/RightPanel/index.tsx	0.00% <ø> (ø)
web/src/beta/features/Editor/useStorytelling.ts	0.00% <0.00%> (ø)
web/src/beta/features/Editor/Settings/hooks.ts	0.00% <0.00%> (ø)

... and 14 files with indirect coverage changes