Create `Pending Transactions` UX for claiming balances
On Mainnet, users get a lot of spam-y Claimable balances in their Account History. Filter them out to their own view and implement this Show Pending toggle that allows users to view these separately.
Design: https://www.figma.com/design/C3G0a4Gd6RQyplRBppGDsL/Freighter-(SDS-v3)?node-id=1127-5511&m=dev
Note: There is also a Sort By toggle here, but we don't have a design for that UX yet, so that will be added in a separate ticket
Right now we're just filtering out claimable balances from account history.
Update: we've decided to support claiming balances of assets on user's known asset lists. Claimable balances of assets not on these lists will still be ignored.