[WIP] Mercat update

[Neopallium]

Updating the MERCAT branch to 5.x release.

changelog

new features

• [new feature, schema, events, RPC]

modified API

• [modified APIs, schema, events, RPC]

modified logic

• [modified behaviour, bug fixes]

modified agent functionality

• [the addition or removal of any extrinsics or events emitted by those extrinsics, that relate to permissioned agents]

[codecov[bot]]

Codecov Report

Merging #1288 (6a4dbf1) into develop (8869aaa) will increase coverage by 0.46%. The diff coverage is 49.02%.

@@             Coverage Diff             @@
##           develop    #1288      +/-   ##
===========================================
+ Coverage    43.89%   44.36%   +0.46%     
===========================================
  Files          141      144       +3     
  Lines        29800    30885    +1085     
===========================================
+ Hits         13081    13702     +621     
- Misses       16719    17183     +464     

Impacted Files	Coverage Δ
pallets/common/src/traits/asset.rs	0.00% <ø> (ø)
pallets/runtime/common/src/runtime.rs	3.01% <ø> (ø)
pallets/sto/src/lib.rs	24.52% <0.00%> (-0.22%)	:arrow_down:
pallets/weights/src/pallet_confidential.rs	0.00% <0.00%> (ø)
pallets/weights/src/pallet_settlement.rs	5.26% <0.00%> (-0.13%)	:arrow_down:
pallets/confidential/src/lib.rs	42.57% <42.57%> (ø)
pallets/confidential-asset/src/lib.rs	43.80% <43.80%> (ø)
primitives/src/asset.rs	40.67% <54.54%> (+8.24%)	:arrow_up:
pallets/settlement/src/lib.rs	48.74% <61.56%> (+2.28%)	:arrow_up:
pallets/runtime/develop/src/runtime.rs	42.37% <66.66%> (+0.63%)	:arrow_up:
... and 9 more