JVM IR: add isInlineClassType, use it instead of isInlined

compiler/testData/codegen/box/inlineClasses/safeAsOfTypeParameterWithInlineClassBound.kt

@@ -0,0 +1,8 @@
+// IGNORE_BACKEND: JVM
+
+interface X
+inline class Z(val value: Int) : X
+
+fun <T> test(t: T) where T : X, T : Z = t as? Int
+
+fun box(): String = if (test(Z(42)) != null) "fail" else "OK"