Merge pull request #2108 from rrylee/remove_dup_code

remove dup code when judge filesystem target isFS

plan/task/clientfilesystemread.go

@@ -39,7 +39,7 @@ func (t clientFilesystemReadTask) PreRun(_ context.Context, pctx *plancontext.Co
 		return fmt.Errorf("path %q cannot be stat'd: %w", path, err)
 	}
 
-	if plancontext.IsFSValue(v.Lookup("contents")) {
+	if isFS {
 		pctx.LocalDirs.Add(path)
 	}