trim NameInArchive to make file behavior in line with stdlib file system

fs.go

@@ -309,6 +309,7 @@ func (f ArchiveFS) Open(name string) (fs.File, error) {
 	)
 	// collect them all or stop at exact file match, note we don't stop at folder match
 	handler := func(_ context.Context, file File) error {
+		file.NameInArchive = strings.Trim(file.NameInArchive, "/")
 		files = append(files, file)
 		if file.NameInArchive == name && !file.IsDir() {
 			found = true
@@ -501,6 +502,7 @@ func (f ArchiveFS) Stat(name string) (fs.FileInfo, error) {
 		found bool
 	)
 	handler := func(_ context.Context, file File) error {
+		file.NameInArchive = strings.Trim(file.NameInArchive, "/")
 		files = append(files, file)
 		if file.NameInArchive == name {
 			found = true
@@ -557,6 +559,7 @@ func (f ArchiveFS) ReadDir(name string) ([]fs.DirEntry, error) {
 		foundFile bool
 	)
 	handler := func(_ context.Context, file File) error {
+		file.NameInArchive = strings.Trim(file.NameInArchive, "/")
 		files = append(files, file)
 		if file.NameInArchive == name && !file.IsDir() {
 			foundFile = true