Mesh 2090/add nft controller transfer

[HenriqueNogara]

changelog

new features

• Adds the controller_transfer extrinsic to pallet_nft;
• Adds NFTsInCollection storage to track the number of nfts in a collection;

modified API

• Adds the following variants to the nft error enum: SupplyOverflow, SupplyUnderflow;
• Adds the following variant to PortfolioUpdateReason: ControllerTransfer;

[codecov[bot]]

Codecov Report

Merging #1529 (5d80b40) into develop (1fd503a) will decrease coverage by 0.10%. The diff coverage is 49.65%.

@@             Coverage Diff             @@
##           develop    #1529      +/-   ##
===========================================
- Coverage    58.65%   58.55%   -0.10%     
===========================================
  Files          142      142              
  Lines        31881    31992     +111     
===========================================
+ Hits         18699    18734      +35     
- Misses       13182    13258      +76     

Files	Coverage Δ
pallets/asset/src/lib.rs	82.51% <100.00%> (ø)
pallets/common/src/traits/nft.rs	0.00% <ø> (ø)
primitives/src/portfolio.rs	33.33% <ø> (ø)
pallets/weights/src/pallet_nft.rs	0.00% <0.00%> (ø)
pallets/nft/src/lib.rs	57.11% <57.85%> (-8.80%)	:arrow_down:

... and 2 files with indirect coverage changes