Fix bytecode tests after new optimizations

- Turn some const conditions into non-const conditions
- Make sure inlined const values are used where required
(otherwise they are eliminated by POP backward propagation)

compiler/testData/codegen/bytecodeText/conditions/zeroCompare.kt

@@ -1,5 +1,6 @@
+val a = 1
+
 fun main() {
-    val a = 1
     if (a == 0) {
         "then"
     } else {