[FIR] Enable BytecodeText tests for FIR.

143 out of 767 tests (18.6%) are currently failing.

compiler/testData/codegen/bytecodeText/builtinFunctions/contains.kt

@@ -1,3 +1,4 @@
+// IGNORE_BACKEND_FIR: JVM_IR
 abstract class A1<Q> : MutableCollection<Q> {
     override fun contains(o: Q): Boolean {
         throw UnsupportedOperationException()

compiler/testData/codegen/bytecodeText/builtinFunctions/genericParameterBridge/abstractList.kt

@@ -1,3 +1,4 @@
+// IGNORE_BACKEND_FIR: JVM_IR
 abstract class A3<W> : java.util.AbstractList<W>()
 abstract class A4<W> : java.util.AbstractList<W>() {
     override fun contains(o: W): Boolean {

compiler/testData/codegen/bytecodeText/builtinFunctions/size.kt

@@ -1,3 +1,4 @@
+// IGNORE_BACKEND_FIR: JVM_IR
 abstract class A1 : Collection<String> {
     override val size: Int get() = 1
 }