[JS IR] Support generating both IR and pre-IR libraries

Remove all previous -Xir options

Add:
 -Xir-produce-klib-dir
 -Xir-produce-klib-file
 -Xir-produce-js
 -Xir-only

compiler/incremental-compilation-impl/test/org/jetbrains/kotlin/incremental/AbstractIncrementalJsKlibCompilerRunnerTest.kt

@@ -10,10 +10,8 @@ abstract class AbstractIncrementalJsKlibCompilerRunnerTest : AbstractIncremental
             libraries = "build/js-ir-runtime/full-runtime.klib"
             outputFile = File(destinationDir, "${testDir.name}.klib").path
             sourceMap = true
-            irBackend = true
-            irProduceOnly = "klib"
             // Don't zip klib content since date on files affect the md5 checksum we compute to check whether output files identical
-            irLegacyGradlePluginCompatibility = true
+            irProduceKlibDir = true
         }
 
     override val buildLogFinder: BuildLogFinder