refactor: x/nft audit changes (#14055)

## Description

ref: #13991 



---

### Author Checklist

*All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.*

I have...

- [ ] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] added `!` to the type prefix if API or client breaking change
- [ ] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/main/CONTRIBUTING.md#pr-targeting))
- [ ] provided a link to the relevant issue or specification
- [ ] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/main/docs/building-modules)
- [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/main/CONTRIBUTING.md#testing)
- [ ] added a changelog entry to `CHANGELOG.md`
- [ ] included comments for [documenting Go code](https://blog.golang.org/godoc)
- [ ] updated the relevant documentation or specification
- [ ] reviewed "Files changed" and left comments if necessary
- [ ] confirmed all CI checks have passed

### Reviewers Checklist

*All items are required. Please add a note if the item is not applicable and please add
your handle next to the items reviewed if you only reviewed selected items.*

I have...

- [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] confirmed `!` in the type prefix if API or client breaking change
- [ ] confirmed all author checklist items have been addressed 
- [ ] reviewed state machine logic
- [ ] reviewed API design and naming
- [ ] reviewed documentation is accurate
- [ ] reviewed tests and test coverage
- [ ] manually tested (if applicable)

proto/cosmos/auth/v1beta1/query.proto

@@ -198,14 +198,14 @@ message AddressStringToBytesResponse {
 // Since: cosmos-sdk 0.46.2
 message QueryAccountAddressByIDRequest {
   // Deprecated, use account_id instead
-  // 
+  //
   // id is the account number of the address to be queried. This field
   // should have been an uint64 (like all account numbers), and will be
   // updated to uint64 in a future version of the auth query.
   int64 id = 1 [deprecated = true];
 
   // account_id is the account number of the address to be queried.
-  // 
+  //
   // Since: cosmos-sdk 0.47
   uint64 account_id = 2;
 }

proto/cosmos/crisis/v1beta1/tx.proto

@@ -32,13 +32,13 @@ message MsgVerifyInvariant {
   option (gogoproto.goproto_getters) = false;
 
   // sender is the account address of private key to send coins to fee collector account.
-  string sender                = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];
-  
+  string sender = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];
+
   // name of the invariant module.
   string invariant_module_name = 2;
 
   // invariant_route is the msg's invariant route.
-  string invariant_route       = 3;
+  string invariant_route = 3;
 }
 
 // MsgVerifyInvariantResponse defines the Msg/VerifyInvariant response type.

proto/cosmos/gov/v1beta1/gov.proto

@@ -146,7 +146,7 @@ message TallyResult {
 // Vote defines a vote on a governance proposal.
 // A Vote consists of a proposal ID, the voter, and the vote option.
 message Vote {
-  option (gogoproto.equal)            = false;
+  option (gogoproto.equal) = false;
 
   uint64 proposal_id = 1 [(gogoproto.jsontag) = "id", (amino.field_name) = "id", (amino.dont_omitempty) = true];
   string voter       = 2 [(cosmos_proto.scalar) = "cosmos.AddressString"];

proto/cosmos/mint/v1beta1/mint.proto

@@ -25,7 +25,7 @@ message Minter {
 
 // Params defines the parameters for the x/mint module.
 message Params {
-  option (amino.name)                 = "cosmos-sdk/x/mint/Params";
+  option (amino.name) = "cosmos-sdk/x/mint/Params";
 
   // type of coin to mint
   string mint_denom = 1;

proto/cosmos/nft/v1beta1/event.proto

@@ -5,22 +5,39 @@ option go_package = "github.com/cosmos/cosmos-sdk/x/nft";
 
 // EventSend is emitted on Msg/Send
 message EventSend {
+  // class_id associated with the nft
   string class_id = 1;
-  string id       = 2;
-  string sender   = 3;
+
+  // id is a unique identifier of the nft
+  string id = 2;
+
+  // sender is the address of the owner of nft
+  string sender = 3;
+
+  // receiver is the receiver address of nft
   string receiver = 4;
 }
 
 // EventMint is emitted on Mint
 message EventMint {
+  // class_id associated with the nft
   string class_id = 1;
-  string id       = 2;
-  string owner    = 3;
+
+  // id is a unique identifier of the nft
+  string id = 2;
+
+  // owner is the owner address of the nft
+  string owner = 3;
 }
 
 // EventBurn is emitted on Burn
 message EventBurn {
+  // class_id associated with the nft
   string class_id = 1;
-  string id       = 2;
-  string owner    = 3;
+
+  // id is a unique identifier of the nft
+  string id = 2;
+
+  // owner is the owner address of the nft
+  string owner = 3;
 }

proto/cosmos/nft/v1beta1/genesis.proto

@@ -9,7 +9,9 @@ option go_package = "github.com/cosmos/cosmos-sdk/x/nft";
 message GenesisState {
   // class defines the class of the nft type.
   repeated cosmos.nft.v1beta1.Class classes = 1;
-  repeated Entry                    entries = 2;
+
+  // entry defines all nft owned by a person.
+  repeated Entry entries = 2;
 }
 
 // Entry Defines all nft owned by a person