only increase offset if caret hasn't been found yet
only increase offset if caret hasn't been found yet

also rename caret away as this isn't used for the caret solely anymore

matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk