fix(blst): Fix wrong constants value and usage

[rakita]

A lot of bugs introduced in #2085

Fixing them and enabling prague statetest in CI

[codspeed-hq]

CodSpeed Performance Report

Merging #2102 will degrade performances by 2.47%

_{Comparing rakita/blst_fix_const (1f8bac2) with main (eeccdc3)}

Summary

❌ 1 regressions
✅ 7 untouched benchmarks

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
❌	precompile bench | ecrecover precompile	197.4 µs	202.4 µs	-2.47%