Sorry, I feel you may well be proper that I really need to retract that somewhat: it's common in practically all dialects of British English, but I believe you could possibly be right that it isn't so popular in e.g. the US, in which a glottal halt would it's possible https://ideasforlivingroom33208.suomiblog.com/not-known-facts-about-ideas-for-my-living-room-53341261