make mime sniffing consistent for list and decompress

src/commands/mod.rs

@@ -129,11 +129,11 @@ pub fn run(
                     output_paths.push(file_output_path);
                     formats.push(file_formats);
                 }
-            }
 
                 if let ControlFlow::Break(_) = check::check_mime_type(&files, &mut formats, question_policy)? {
                     return Ok(());
                 }
+            }
 
             check::check_missing_formats_when_decompressing(&files, &formats)?;