(CoroutineDebugger) Stack printing logic extracted to the single place

for DebugMetadata and CoroutinePanel, some corner cases fixed, test
cases added.
Added:
 - external maven dependencies in test scenarios
 - comparing stack traces + variables on breakpoint

generators/tests/org/jetbrains/kotlin/generators/tests/GenerateTests.kt

@@ -240,6 +240,14 @@ fun main(args: Array<String>) {
             // TODO: implement mapping logic for terminal operations
             model("sequence/streams/sequence", excludeDirs = listOf("terminal"))
         }
+
+        testClass<AbstractContinuationStackTraceTest> {
+            model("continuation")
+        }
+
+        testClass<AbstractXCoroutinesStackTraceTest> {
+            model("xcoroutines")
+        }
     }
 
     testGroup("idea/tests", "idea/testData") {