Add isUnlockGlobal to getVestingSchedule getter (ETH-1656)

[iamsahu]

Description

Notice

• Have you checked to ensure there aren't other open Pull Requests for the same update/change?
• Have you assigned this PR to yourself?
• Have you added at least 1 reviewer?
• Have you updated the official documentation?
• Have you added sufficient documentation in your code?
• Have you added relevant tests to the official test suite?

Pull Request Type

• 💫 New Feature (Breaking Change)
• 💫 New Feature (Non-breaking Change)
• 🛠️ Bug fix (Non-breaking Change: Fixes an issue)
• 🕹️ Chore (Non-breaking Change: Doc updates, pkg upgrades, typos, etc..)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.52%. Comparing base (53d70ab) to head (267712f).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #262   +/-   ##
=======================================
  Coverage   95.52%   95.52%           
=======================================
  Files          75       75           
  Lines        1743     1743           
  Branches      235      235           
=======================================
  Hits         1665     1665           
  Misses         24       24           
  Partials       54       54           

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[koderholic]

LGTM

[juliaaschmidt]

LGTM 🚀 🚀

[mischat]

@iamsahu do we still want to get this PR merged in ? It is still relevant ? If so, could you please fix the conflict, and lets try and get it merged in