kotlinx.atomicfu compiler plugin for JS_IR backend (#4581)

* kotlinx.atomicfu compiler plugin for JS_IR

Support transformations of atomic operations introduced by the kotlinx.atomicfu library for the JS_IR backend. Compiler plugin is applied externally by the kotlinx.atomicfu gradle plugin.

* Apply compiler plugin for JS platform only

* New plugin test structure

* testGroupOutputDirPrefix changed

plugins/atomicfu/atomicfu-compiler/testData/box/ParameterizedInlineFunExtensionTest.kt

@@ -0,0 +1,27 @@
+import kotlinx.atomicfu.*
+import kotlin.test.*
+
+class ParameterizedInlineFunExtensionTest {
+
+    private inline fun <S> AtomicRef<S>.foo(res1: S, res2: S, foo: (S) -> S): S {
+        val res = bar(res1, res2)
+        return res
+    }
+
+    private inline fun <S> AtomicRef<S>.bar(res1: S, res2: S): S {
+        return res2
+    }
+
+    private val tail = atomic("aaa")
+
+    fun testClose() {
+        val res = tail.foo("bbb", "ccc") { s -> s }
+        assertEquals("ccc", res)
+    }
+}
+
+fun box(): String {
+    val testClass = ParameterizedInlineFunExtensionTest()
+    testClass.testClose()
+    return "OK"
+}