flows: add shortcut to redirect current flow

[BeryJu]

closes #3175 #3184

[netlify]

✅ Deploy Preview for authentik ready!

Name	Link
🔨 Latest commit	d9f7a31
🔍 Latest deploy log	https://app.netlify.com/sites/authentik/deploys/62bf531f1b1f2f000970d127
😎 Deploy Preview	https://deploy-preview-3192--authentik.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 settings.

[codecov]

Codecov Report

Merging #3192 (170e0af) into main (1c64616) will decrease coverage by 0.03%.
The diff coverage is 66.67%.

@@            Coverage Diff             @@
##             main    #3192      +/-   ##
==========================================
- Coverage   92.01%   91.99%   -0.02%     
==========================================
  Files         466      466              
  Lines       21129    21142      +13     
==========================================
+ Hits        19440    19447       +7     
- Misses       1689     1695       +6     

Impacted Files	Coverage Δ
authentik/flows/stage.py	92.39% <50.00%> (-2.56%)	⬇️
authentik/flows/models.py	95.97% <66.67%> (-0.75%)	⬇️
authentik/flows/planner.py	98.55% <71.43%> (-1.45%)	⬇️
authentik/flows/markers.py	100.00% <100.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 1c64616...170e0af. Read the comment docs.

[netlify]

✅ Deploy Preview for authentik ready!

Name	Link
🔨 Latest commit	43d67a2
🔍 Latest deploy log	https://app.netlify.com/sites/authentik/deploys/62bf534de8ca4c0008689cd1
😎 Deploy Preview	https://deploy-preview-3192--authentik.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 settings.