Introduce NavigationWithMultipleLibrariesTest

Test navigation to library decompiled and source declaration when
there are multiple copies of the same library in project
Related to ba1ee99e97

idea/testData/decompiler/navigationMultipleLibs/libSrc/library.kt

@@ -0,0 +1,10 @@
+package lib
+
+class LClass
+
+class A
+class B
+
+fun LClass.f(a: A) {
+
+}