[Fix] Ternary Folding during SSA

[d0cd]

This PR fixes a bug in SSA associated with ternary folding for early return statements.

[codecov]

Codecov Report

Merging #1998 (e4db551) into testnet3 (7ffbee2) will decrease coverage by 0.05%.
The diff coverage is 87.50%.

@@             Coverage Diff              @@
##           testnet3    #1998      +/-   ##
============================================
- Coverage     81.08%   81.02%   -0.06%     
============================================
  Files           131      131              
  Lines          5534     5534              
  Branches       5533     5533              
============================================
- Hits           4487     4484       -3     
- Misses         1047     1050       +3     

Impacted Files	Coverage Δ
compiler/ast/src/expressions/ternary.rs	62.50% <0.00%> (ø)
...static_single_assignment/static_single_assigner.rs	92.42% <ø> (ø)
...ses/src/static_single_assignment/rename_program.rs	92.00% <100.00%> (ø)
compiler/ast/src/common/identifier.rs	88.88% <0.00%> (-11.12%)	⬇️

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[bendyarm]

This works on my example, thanks!