Unify staking files

[tomasklim]

Right now utils and types are all over suite in many files.

Please unify as much as possible.

There is stake.ts utils file in packages/suite
There is stake.ts utils file in @suite-common/suite-utils
Then there is stakingUtils.ts in @suite-common/wallet-utils

There is stake.ts utils file in @suite-common/wallet-types
There is stakeTypes.ts utils file in @suite-common/wallet-core

• there are also values which are definitely not types in this file. Maybe should be in file ethStaking.ts

The file with constants ethStaking.ts is also hard to find, please come up with better naming

Please do some kind of cleaning and organising so that it is easy to find what we are looking for.

[omykhailovskyi]

Please add acceptance criteria, as discussed

[sime]

Please add acceptance criteria, as discussed

@tomasklim

[tomasklim]

@dev-pvl @omykhailovskyi

as discussed, create files for eth staking utils and generic staking utils. Same for types.

[bosomt]

QA OK

Stake and unstake THOL OK

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