fix deployment button ux (#186)

resources/views/application/deploy.blade.php

@@ -1,15 +1,26 @@
 <div>
-    @if ($site->deploymentScript)
+    @php
+        $hasDeploymentScript = (bool) $site->deploymentScript;
+    @endphp
+
     <form
         id="deploy"
+        @if ($hasDeploymentScript)
             hx-post="{{ route("servers.sites.application.deploy", ["server" => $server, "site" => $site]) }}"
             hx-swap="outerHTML"
             hx-select="#deploy"
+        @else
+            data-tooltip="Click the Manage button to add a deployment script first"
+        @endif
+    >
+        <x-primary-button
+            class="flex items-center justify-between"
+            :active="true"
+            hx-disable
+            :disabled="(bool) !$hasDeploymentScript"
         >
-            <x-primary-button class="flex items-center justify-between" :active="true" hx-disable>
             {{ __("Deploy") }}
             <x-heroicon name="o-play-circle" class="ml-1 h-5 w-5" />
         </x-primary-button>
     </form>
-    @endif
 </div>