Fix negative zero issue on balance

[ahmedmolawale]

Pull Request (PR) Checklist

Please check if your pull request fulfills the following requirements:

• The PR is submitted to the main branch.
• I've read the Contribution Guidelines.
• I've read the Architecture Guidelines.
• My code builds and is tested on a real Android device.
• I confirm that I've run the code locally and everything works as expected.

What's changed?

Obtaining the integer part of balance via toInt() method drops the negative sign when the balance x is such that -1.0 < x < 0.0. For example, (-0.21).toInt() will produce 0.
This PR will append a negative sign to the integer part of the balance in this case.

Before Fix

before_compressed.mp4

After Fix

after.mov

Does this PR closes any GitHub Issues?

• Closes 2518

[ILIYANGERMANOV]

Excellent work and a great catch on this nasty bug! Very well documented and explained PR 💯 👏