Fix multiline if let chains in gem_hypercore client (#1014)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: gemcoder21 <104884878+gemcoder21@users.noreply.github.com>

Author: Copilot

crates/gem_hypercore/src/rpc/client.rs

@@ -158,9 +158,7 @@ impl<C: Client> HyperCoreClient<C> {
             "type": "clearinghouseState",
             "user": user
         });
-        if let Some(dex) = dex
-            && !dex.is_empty()
-        {
+        if let Some(dex) = dex && !dex.is_empty() {
             payload["dex"] = json!(dex);
         }
         self.info(payload).await
@@ -172,9 +170,7 @@ impl<C: Client> HyperCoreClient<C> {
 
     pub async fn get_metadata_with_dex(&self, dex: Option<String>) -> Result<HypercoreMetadataResponse, Box<dyn Error + Send + Sync>> {
         let mut payload = json!({"type": "metaAndAssetCtxs"});
-        if let Some(dex) = dex
-            && !dex.is_empty()
-        {
+        if let Some(dex) = dex && !dex.is_empty() {
             payload["dex"] = json!(dex);
         }
         self.info(payload).await
@@ -276,9 +272,7 @@ impl<C: Client> HyperCoreClient<C> {
             "type": "frontendOpenOrders",
             "user": user
         });
-        if let Some(dex) = dex
-            && !dex.is_empty()
-        {
+        if let Some(dex) = dex && !dex.is_empty() {
             payload["dex"] = json!(dex);
         }
         self.info(payload).await
@@ -293,9 +287,7 @@ impl<C: Client> HyperCoreClient<C> {
             "type": "portfolio",
             "user": user
         });
-        if let Some(dex) = dex
-            && !dex.is_empty()
-        {
+        if let Some(dex) = dex && !dex.is_empty() {
             payload["dex"] = json!(dex);
         }
         self.info(payload).await