fix(client-loader): recognize early local signals (#25778)

Use signal audience to correctly classify pre-Connected, local signals
as local.

Author: jason-ha

packages/loader/container-loader/src/container.ts

@@ -2417,7 +2417,15 @@ export class Container
 		if (protocolHandlerShouldProcessSignal(message)) {
 			this.protocolHandler.processSignal(message);
 		} else {
-			const local = this.clientId === message.clientId;
+			const local =
+				// Check against signal audience to detect current signals
+				// including very early signals before reaching "Connected".
+				message.clientId === this.signalAudience.getSelf()?.clientId ||
+				// and use "regular" audience to detect signals from past
+				// connection bouncing slowly back from service. This may never
+				// happen, but is kept as it was used historically as the only
+				// check.
+				message.clientId === this.clientId;
 			this.runtime.processSignal(message, local);
 		}
 	}