Watches: Hide 'this' if it's a continuation

idea/testData/debugger/tinyApp/src/evaluate/singleBreakpoint/frame/hideContinuationThis.kt

@@ -0,0 +1,13 @@
+package hideContinuationThis
+
+suspend fun main() {
+    foo()
+}
+
+var foo: suspend () -> Unit = {
+    //Breakpoint!
+    val a = 5
+}
+
+// PRINT_FRAME
+// SHOW_KOTLIN_VARIABLES

idea/testData/debugger/tinyApp/src/evaluate/singleBreakpoint/frame/hideContinuationThis.out

@@ -0,0 +1,23 @@
+LineBreakpoint created at hideContinuationThis.kt:9
+Run Java
+Connected to the target VM
+hideContinuationThis.kt:9
+package hideContinuationThis
+
+suspend fun main() {
+    foo()
+}
+
+var foo: suspend () -> Unit = {
+    //Breakpoint!
+    val a = 5
+}
+
+// PRINT_FRAME
+// SHOW_KOTLIN_VARIABLES
+ frame    = invokeSuspend:9, HideContinuationThisKt$foo$1 {hideContinuationThis}
+   local    = result: java.lang.Object = {kotlin.Unit@uniqueID}kotlin.Unit (sp = null)
+              - No fields to display
+Disconnected from the target VM
+
+Process finished with exit code 0