Never one to follow convention, Gwyneth Paltrow has been urging her consciously uncoupled ex-husband, Chris Martin, to put a ring on girlfriend Dakota Johnson. The dad of two, 47, has been engaged to the Madame Web star, 34, since 2020, but the pair have yet to make any wedding plans — and the Goop founder, 51, blames Chris for dragging his heels. “Gwyneth claims Dakota is too sweet to complain about the delay,” says a source. “So she’s demanding that Chris stop jerking Dakota around.” (For her part, adds the insider, “Dakota is just going with the flow.”) Though Gwyn, Chris, Dakota and the kids are content with their blended family, the source adds that the British rocker doesn’t appreciate the latest meddling! “He’s accusing Gwyneth of making trouble and…