JVM IR: Avoid direct lambda invokes in inline tests

compiler/testData/codegen/boxInline/contracts/crossinlineCallableReference.kt

@@ -21,7 +21,7 @@ inline fun vBox(crossinline action: () -> Unit) {
     contract {
         callsInPlace(action, InvocationKind.EXACTLY_ONCE)
     }
-    return { action() }()
+    return { action() }.let { it() }
 }
 
 inline fun button(onAction: () -> Unit) {

compiler/testData/codegen/boxInline/contracts/exactlyOnceCrossinline2.kt

@@ -26,7 +26,7 @@ inline fun baz(crossinline exactly_once: () -> Unit) {
         callsInPlace(exactly_once, InvocationKind.EXACTLY_ONCE)
     };
 
-    { exactly_once() }()
+    { exactly_once() }.let { it() }
 }
 
 // FILE: 2.kt

compiler/testData/codegen/boxInline/contracts/valInitializationAndUsageInNestedLambda.kt

@@ -25,7 +25,7 @@ fun box(): String {
         x = 42
         {
             x
-        }()
+        }.let { it() }
     }
     return if (res == 42 && x.inc() == 43) "OK" else "Fail: ${x.inc()}"
 }