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Yes. If you had staked the wallet, the system takes a snapshot every 5 days. You can move ADA into and out of the wallet and the only thing that matters is the amount in it at the exact moment of each snapshot. The amount you get back is automatically added to the amount staked, however in order to spend the rewards you will have to “withdraw” them from the portion of the wallet that they are put into each epoch. (They do that so there’s not a fee associated with each reward transfer.)
So yes. You have staked the wallet. You’ll still have it staked and can add or spend funds as you want to.
Also worth knowing: the wallet in the Trezor Suite is the same wallet that you will be able to access with any other wallet app including Yoroi, Etrnl, or any other app that allows Trezor linking. It’s the Trezors key that allows access to the wallet not only the app you use.
Hope this helps!