Random fixes (#4144)

Random fixes in time for the 3.4.0 release.
- corrects typo in the items controller
- small update to login view
- removes deprecated code from header view
- ospos license updated to end 2024
- moved gulp packages to dev dependencies
- updated gulp-zip and npm-check-updates to latest version
- updated readme for consistency
- makes ospos license in config fully readable
- fixes composer libraries license view in config
- gulp now updates composer libraries license and ospos license
- updated other license views in config
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