When image strip is added from python using `image_strip_add` operator and directory path is not terminated with slash, last part of directory was ignored. Use `BLI_join_dirfile` instead of simple string concatenation.
When image strip is added from python using `image_strip_add` operator and directory path is not terminated with slash, last part of directory was ignored. Use `BLI_join_dirfile` instead of simple string concatenation.