Nft metadata modifications

[ndkazu]

Motivations In the Onboarding Pallet, the Seller could only modify the price of the asset before submission to the council. Now he can also change the asset metadata.

Execution

• The helper_function set_metadata(owner: T::AccountId, collection_id: T::NftCollectionId, item_id: T::NftItemId, metadata: BoundedVecOfUnq<T>, ) was added to the nft pallet. This helper function is actually using the pallet_uniques set_metadata.
• In the pallet_onboarding, the user can change the initial metadata through the dispatchable function submit_awaiting(...).
• Tests in onboarding were also updated

[codecov-commenter]

Codecov Report

Merging #165 (38e37d0) into main (5f5ca13) will increase coverage by 0.22%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #165      +/-   ##
==========================================
+ Coverage   74.63%   74.85%   +0.22%     
==========================================
  Files          49       49              
  Lines        3745     3766      +21     
==========================================
+ Hits         2795     2819      +24     
+ Misses        950      947       -3     

Impacted Files	Coverage Δ
pallets/nft/src/functions.rs	69.23% <100.00%> (+6.59%)	:arrow_up:
pallets/onboarding/src/functions.rs	87.83% <100.00%> (+1.35%)	:arrow_up:
pallets/onboarding/src/lib.rs	88.98% <100.00%> (+0.29%)	:arrow_up:
pallets/onboarding/src/tests.rs	100.00% <100.00%> (ø)

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