Fix wrong "InlineProperties are unsupported at this language level" error on inline functions when inline properties are disabled

compiler/testData/diagnostics/tests/sourceCompatibility/inlineFunctionAlways.kt

@@ -0,0 +1,16 @@
+// !DIAGNOSTICS: -NOTHING_TO_INLINE
+// !LANGUAGE: -InlineProperties
+
+inline fun String.test() {
+}
+
+inline fun test() {
+}
+
+class A {
+    inline fun String.test() {
+    }
+
+    inline fun test() {
+    }
+}

compiler/testData/diagnostics/tests/sourceCompatibility/inlineFunctionAlways.txt

@@ -0,0 +1,13 @@
+package
+
+public inline fun test(): kotlin.Unit
+public inline fun kotlin.String.test(): kotlin.Unit
+
+public final class A {
+    public constructor A()
+    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 final inline fun test(): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    public final inline fun kotlin.String.test(): kotlin.Unit
+}