feat: update unbonding period calculation

[euharrison]

Update Unbonding Period calculation

• Use an unified calculation and save it on chain.unbondingPeriod on the atom layer, removing it from different components and any reference for unbondingPeriodInEpochs which leads to distributed and confused calculations
• Remove the data transformation from the service, than it'll be used only to execute the indexer request, and all data transformation will happen on the atom layer
• Update the unbondoing period on the staking page Staking/IncrementBonding.tsx

Closes #1020

[mateuszjasiuk]

I think this is good! :) But maybe it's worth moving it to some common/utility space(component?) if it's used in multiple places?

[euharrison]

Thanks! I'll move it to a dedicated function. But the idea here is to keep it attached to the atom, then anytime we needed, we pull the value directly from the atom and we don't need to care about the math/parameters anymore

[emccorson]

I've not reviewed the code, but just on the TODO replacement: I think "a 13 hours unbonding schedule" doesn't read right. It could either be "a 13-hour unbonding schedule" or "an unbonding schedule of 13 hours". Maybe the second is easier since the string formatting doesn't need to change.

[euharrison]

lint was complaining about the console.log