Allow pallet's info to be enumerated (#10053)

* Allow pallet's info to be enumerated

* Fixes

* Formatting

* Flat tuple for getting all pallet instances

* Renaming and fixing reversedness

* Formatting

* Fixes

* Back to nesting

* Back to nestingx

* Revert executive lib

* Reversions

* Reversions

* Fixes

* Fixes

* Formatting

* Fixes

* Spelling

* Comments