Debugger: quote package fqName properly. Fix muted tests

idea/testData/debugger/tinyApp/outs/package.out

@@ -0,0 +1,8 @@
+LineBreakpoint created at package.kt:6
+!JDK_HOME!\bin\java -agentlib:jdwp=transport=dt_socket,address=!HOST_NAME!:!HOST_PORT!,suspend=y,server=n -Dfile.encoding=!FILE_ENCODING! -classpath !OUTPUT_PATH!;!KOTLIN_RUNTIME!;!CUSTOM_LIBRARY!;!RT_JAR! package.PackageKt
+Connected to the target VM, address: '!HOST_NAME!:PORT_NAME!', transport: 'socket'
+package.kt:6
+Compile bytecode for 1
+Disconnected from the target VM, address: '!HOST_NAME!:PORT_NAME!', transport: 'socket'
+
+Process finished with exit code 0

idea/testData/debugger/tinyApp/src/evaluate/singleBreakpoint/package.kt

@@ -0,0 +1,10 @@
+package `package`
+
+// Check that package fq-name is correctly escaped
+fun main(args: Array<String>) {
+    //Breakpoint!
+    args.size()
+}
+
+// EXPRESSION: 1
+// RESULT: 1: I