[Schema Validation] Fixed incorrect CONDITION check under `withArgE…

…dges` (#3514)

Fixed issue where `CONDITION` edge was being checked instead of `ARGUMENT`

joern-cli/frontends/x2cpg/src/main/scala/io/joern/x2cpg/Ast.scala

@@ -178,11 +178,11 @@ case class Ast(
   }
 
   def withArgEdges(src: NewNode, dsts: Seq[NewNode], argIndexStart: Int): Ast = {
-    dsts.foreach(dst => Ast.neighbourValidation(src, dst, EdgeTypes.CONDITION))
     var index = argIndexStart
     this.copy(argEdges = argEdges ++ dsts.map { dst =>
       addArgumentIndex(dst, index)
       index += 1
+      Ast.neighbourValidation(src, dst, EdgeTypes.ARGUMENT)
       AstEdge(src, dst)
     })
   }