Going by your sceenshot, if you look at it again, the offer has yeet to be accepted by you. It is a final stage email which requires you to click the box next to 'I accept the Terms & Conditions' and to then click on Place Order which would finalise the new contract with your agreement.
If you don't click on anything then your package will not change and you won't be placed onto a new contract.
As to TNT Sports, it has been removed from all packages and is now only available as a standalone extra for £18 a month. I suggest that you speak to retentions and negotiate a new deal that includes TNT Sports with a reduction in the price of that addon.