KT-2752: fix JsName with explicit use target. Add some tests for JsName with use targets

compiler/testData/diagnostics/testsWithJsStdLib/name/jsNameUseTargetOnProperty.kt

@@ -0,0 +1,5 @@
+class A {
+    @property:JsName("x_") <!JS_NAME_ON_ACCESSOR_AND_PROPERTY!>@get:JsName("getX_")<!> val x: Int = 0
+
+    <!JS_NAME_IS_NOT_ON_ALL_ACCESSORS!>@get:JsName("getY_") var y: Int = 0<!>
+}

compiler/testData/diagnostics/testsWithJsStdLib/name/jsNameUseTargetOnProperty.txt

@@ -0,0 +1,10 @@
+package
+
+public final class A {
+    public constructor A()
+    @property:kotlin.js.JsName(name = "x_") public final val x: kotlin.Int = 0
+    public final var y: kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}