Debugger: Support coroutineContext for suspend functions without suspend calls (KT-24829)

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

@@ -0,0 +1,15 @@
+package coroutineContextWithoutSuspend
+
+import kotlin.coroutines.coroutineContext
+
+suspend fun main() {
+    foo()
+}
+
+private suspend fun foo() {
+    //Breakpoint!
+    val a = 5
+}
+
+// EXPRESSION: coroutineContext
+// RESULT: instance of kotlin.coroutines.EmptyCoroutineContext(id=ID): Lkotlin/coroutines/EmptyCoroutineContext;

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

@@ -0,0 +1,8 @@
+LineBreakpoint created at coroutineContextWithoutSuspend.kt:11
+Run Java
+Connected to the target VM
+coroutineContextWithoutSuspend.kt:11
+Compile bytecode for coroutineContext
+Disconnected from the target VM
+
+Process finished with exit code 0