Update catalog mock data for Mode attr

ui/packages/consul-ui/app/templates/dc/services/instance.hbs

@@ -58,7 +58,7 @@ as |route|>
             </h1>
             <Consul::ExternalSource @item={{item}} />
             <Consul::Kind @item={{item}} @withInfo={{true}} />
-            {{#if proxy.ServiceProxy.Mode}}
+            {{#if (eq proxy.ServiceProxy.Mode 'transparent')}}
               <Consul::TransparentProxy />
             {{/if}}
           </BlockSlot>

ui/packages/consul-ui/mock-api/v1/catalog/connect/_

@@ -49,7 +49,7 @@ ${range(env('CONSUL_EXPOSED_COUNT', 3)).map((i) => `
 `)}
             ]
           },
-          "Mode": ${fake.random.boolean()},
+          "Mode": "${fake.helpers.randomize(['', 'direct', 'transparent'])}",
           "DestinationServiceName": "${location.pathname.slice(4)}"
           ${ location.pathname.slice(4) === "service-0" ? `
           ,