[zksend] add claimedBy property when loading assets of claimed link (#…

…20244)

## Description 

Describe the changes or additions included in this PR.

## Test plan 

How did you test the new or updated feature?

---

## Release notes

Check each box that your changes affect. If none of the boxes relate to
your changes, release notes aren't required.

For each box you select, include information after the relevant heading
that describes the impact of your changes that a user might notice and
any actions they must take to implement updates.

- [ ] Protocol: 
- [ ] Nodes (Validators and Full nodes): 
- [ ] Indexer: 
- [ ] JSON-RPC: 
- [ ] GraphQL: 
- [ ] CLI: 
- [ ] Rust SDK:
- [ ] REST API:

.changeset/loud-pianos-compare.md

@@ -0,0 +1,5 @@
+---
+'@mysten/zksend': minor
+---
+
+Remove decoding spaces to `+` in zksend wallet url hashes

.changeset/witty-adults-notice.md

@@ -0,0 +1,5 @@
+---
+'@mysten/zksend': minor
+---
+
+Add claimedBy property that is set when claimedAssets are loaded

sdk/zksend/src/links/claim.ts

@@ -66,6 +66,7 @@ export class ZkSendLink {
 	creatorAddress?: string;
 	assets?: LinkAssets;
 	claimed?: boolean;
+	claimedBy?: string;
 	bagObject?: SuiObjectData | null;
 
 	#client: SuiClient;
@@ -532,6 +533,7 @@ export class ZkSendLink {
 				? input.value
 				: bcs.Address.parse(new Uint8Array((input.value as { Pure: number[] }).Pure));
 
+		this.claimedBy = receiver;
 		this.assets = getAssetsFromTransaction({
 			transaction: tx,
 			address: receiver,

sdk/zksend/src/wallet/channel/index.ts

@@ -131,12 +131,7 @@ export class StashedHost {
 		const parsed = new URL(url);
 
 		const urlHashData = parsed.hash
-			? Object.fromEntries(
-					[...new URLSearchParams(parsed.hash.slice(1))].map(([key, value]) => [
-						key,
-						value.replace(/ /g, '+'),
-					]),
-				)
+			? Object.fromEntries([...new URLSearchParams(parsed.hash.slice(1))])
 			: {};
 
 		const request = parse(StashedRequest, {