Don't throw on chain connection issues (#1056)

typescript/infra/scripts/funding/fund-keys-from-deployer.ts

@@ -307,7 +307,14 @@ class ContextFunder {
     key: BaseCloudAgentKey,
     chain: ChainName,
   ): Promise<boolean> {
-    const chainConnection = this.multiProvider.getChainConnection(chain);
+    const chainConnection = this.multiProvider.tryGetChainConnection(chain);
+    if (!chainConnection) {
+      error('Cannot get chain connection', {
+        chain,
+      });
+      // Consider this an error, but don't throw and prevent all future funding attempts
+      return true;
+    }
     const desiredBalance = desiredBalancePerChain[chain];
 
     let failureOccurred = false;