Odoo Server saas~15.3 - en to hr translation catalogue (3 entries)

note: module: website_crm_livechat
en: Discussion Channel
hr: Kanal rasprave

note: module: website_crm_livechat
en: Lead/Opportunity
hr: Potencijal/prilika

note: module: website_crm_livechat
en: Sessions
hr: Smjene
