RedfishPkg: RedfishDiscoverDxe: Fix issue if IPv4 installed after RestEx

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4602

Supported function of the driver changed to wait for all network
interface to be installed.

Reviewed-by: Abner Chang <abner.chang@amd.com>
Reviewed-by: Nickle Wang <nicklew@nvidia.com>
Acked-by Mike Maslenkin <mike.maslenkin@gmail.com>
Signed-off-by: Igor Kulchytskyy <igork@ami.com>
Acked-by: Leif Lindholm <quic_llindhol@quicinc.com>

RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.c

@@ -1547,25 +1547,26 @@ TestForRequiredProtocols (
                     ControllerHandle,
                     EFI_OPEN_PROTOCOL_TEST_PROTOCOL
                     );
+    if (EFI_ERROR (Status)) {
+      return EFI_UNSUPPORTED;
+    }
+
+    Status = gBS->OpenProtocol (
+                    ControllerHandle,
+                    gRequiredProtocol[Index].DiscoveredProtocolGuid,
+                    (VOID **)&Id,
+                    This->DriverBindingHandle,
+                    ControllerHandle,
+                    EFI_OPEN_PROTOCOL_GET_PROTOCOL
+                    );
     if (!EFI_ERROR (Status)) {
-      Status = gBS->OpenProtocol (
-                      ControllerHandle,
-                      gRequiredProtocol[Index].DiscoveredProtocolGuid,
-                      (VOID **)&Id,
-                      This->DriverBindingHandle,
-                      ControllerHandle,
-                      EFI_OPEN_PROTOCOL_GET_PROTOCOL
-                      );
-      if (EFI_ERROR (Status)) {
-        if (Index == ListCount - 1) {
-          DEBUG ((DEBUG_INFO, "%a: all required protocols are found on this controller handle: %p.\n", __func__, ControllerHandle));
-          return EFI_SUCCESS;
-        }
-      }
+      // Already installed
+      return EFI_UNSUPPORTED;
     }
   }
 
-  return EFI_UNSUPPORTED;
+  DEBUG ((DEBUG_MANAGEABILITY, "%a: all required protocols are found on this controller handle: %p.\n", __func__, ControllerHandle));
+  return EFI_SUCCESS;
 }
 
 /**