Merge pull request #2180 from lf-lang/conflict-check-src-only

Reduced scope for conflicting main reactors check

core/src/main/java/org/lflang/MainConflictChecker.java

@@ -51,7 +51,7 @@ public MainConflictChecker(FileConfig fileConfig) {
     //  files in the current package (which happens when we get the resources)
     this.fileConfig = fileConfig;
     try {
-      Files.walkFileTree(fileConfig.srcPkgPath, new PackageVisitor());
+      Files.walkFileTree(fileConfig.srcPath, new PackageVisitor());
     } catch (IOException e) {
       System.err.println("Error while checking for name conflicts in package.");
       e.printStackTrace();