Bugfix: error message is displayed to often (#68)

* changed order of checks so that when no file shall be created, no error message is displayed

---------

Signed-off-by: Anton Utz <uta5fe@bosch.com>
Co-authored-by: Christian Henkel <6976069+ct2034@users.noreply.github.com>

src/ros_license_toolkit/main.py

@@ -104,8 +104,8 @@ def main(args: Optional[Sequence[str]] = None) -> int:
         results_per_package.update(
             process_one_pkg(rll_print, package))
 
-    if max(results_per_package.values()) != Status.FAILURE:
-        if parsed_args.generate_copyright_file:
+    if parsed_args.generate_copyright_file:
+        if max(results_per_package.values()) != Status.FAILURE:
             generate_copyright_file(packages, rll_print)
         else:
             rll_print(red(