dApps staking max encoded len

[Dinonard]

Pull Request Summary

Removes without_storage_info from the pallet-dapps-staking crate. Introduces derivation of MaxEncodedLen trait to all possible structs, enums and types.

For the UnbondingInfo and StakerInfo, an assumption is introduced that their length won't go over a specific constant. Since we're fully in control of runtime code, we can be fairly sure this limitation won't be exceeded. Also, dApps staking is a stable feature and there is no reason to modify current parameters from what they currently are.

See code more more detailed explanation & comments.

[github-actions[bot]]

Package	Line Rate	Branch Rate	Health
chain-extensions/trait/src	0%	0%	❌
frame/xc-asset-config/src	70%	0%	➖
precompiles/utils/macro/tests	0%	0%	❌
precompiles/utils/src/data	72%	0%	➖
precompiles/utils/src	72%	0%	➖
frame/pallet-xcm/src	65%	0%	➖
precompiles/xcm/src	84%	0%	✔
primitives/xcm/src	68%	0%	➖
chain-extensions/rmrk/src	0%	0%	❌
frame/pallet-xvm/src/pallet	37%	0%	❌
precompiles/sr25519/src	79%	0%	➖
precompiles/xvm/src	89%	0%	✔
chain-extensions/types/rmrk/src	0%	0%	❌
frame/dapps-staking/src/pallet	90%	0%	✔
chain-extensions/xvm/src	0%	0%	❌
precompiles/utils/macro/src	0%	0%	❌
frame/pallet-xvm/src	9%	0%	❌
frame/block-reward/src	85%	0%	✔
chain-extensions/types/xvm/src	0%	0%	❌
chain-extensions/types/dapps-staking/src	0%	0%	❌
contracts/xvm/src	0%	0%	❌
frame/collator-selection/src	80%	0%	✔
frame/custom-signatures/src	57%	0%	➖
chain-extensions/dapps-staking/src	0%	0%	❌
frame/dapps-staking/src	83%	0%	✔
precompiles/assets-erc20/src	73%	0%	➖
precompiles/dapps-staking/src	93%	0%	✔
precompiles/substrate-ecdsa/src	78%	0%	➖
Summary	60% (2572 / 4290)	0% (0 / 0)	➖

Minimum allowed line rate is 50%