[gosrc2cpg] Fixed an issue with skipping the statement before the if condition

[ch0a3]

I fix the issue seems like [gosrc2cpg] #4994
when I handle the code like:
if a := 1 (a < b)
in results of Json, the code a := 1 was put in init block, and the method skip this block.

Resolves #4994

[DavidBakerEffendi]

Wrt formatting, run sbt scalafmt Test/scalafmt

[DavidBakerEffendi]

Thanks for the fix!