Assets pallet: Giving the asset owner the ability to set minimum balance (#13486)

* set_min_balance

* allow when new_min_balance < old_min_balance

* add more specific event

* Update frame/assets/src/lib.rs

Co-authored-by: Bastian Köcher <[email protected]>

* Update frame/assets/src/lib.rs

Co-authored-by: Bastian Köcher <[email protected]>

* ".git/.scripts/commands/bench/bench.sh" pallet dev pallet_assets

* use actual weight

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Co-authored-by: Bastian Köcher <[email protected]>
Co-authored-by: command-bot <>