Fix for movies with no release date

[nidhi2026]

Fixing for adding movies with no release date (not release yet/ not available) Here is the preview of the changes:

• Now movies with no release date like dacoit can be added to top 5 movies list while onboarding
• and prev they also cant be added to journal, but now they can be added to it as well
• in movies page, where Invalid data was shown for release date, replaced it with Not released yet, and in year with - - to have better experience in frontend

fixes #204

[netlify[bot]]

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Name	Link
🔨 Latest commit	8d592ce0fa60d92bc5a35089e9e80f2ef6a083ca

[nidhi2026]

Here is a new preview of changes based on this pr @daccotta

https://github.com/user-attachments/assets/dc488471-af4d-4822-b233-779beeb461d3

[nidhi2026]

@AshuKr22 @sid0000007 I have raised the pr. If it is fine, please label it with gssoc-ext and level

[github-actions[bot]]

🎉🎉 Thank you for your contribution! Your PR #214 has been merged! 🎉🎉