Fix CSRF

lib/zcash_explorer_web/templates/page/broadcast.html.heex

@@ -75,7 +75,7 @@
     <p class="mt-1 mb-2 max-w-2xl text-sm text-gray-600">
           Paste the raw transaction here in hex format to broadcast it over the Zcash network.
     </p>
-  <input type="hidden" value="{@csrf_token}" name="_csrf_token"/>
+  <input type="hidden" value={@csrf_token} name="_csrf_token"/>
     <textarea id="broadcast" name="tx-hex" rows="22" class="w-full  shadow-sm  bg-indigo-400 bg-opacity-5  focus:ring-indigo-500 focus:border-indigo-500 sm:text-sm border border-gray-300 rounded-md font-mono text-green-400 ">
     </textarea>
      

lib/zcash_explorer_web/templates/page/disclosure.html.heex

@@ -177,7 +177,10 @@
 
 <form class="space-y-8" action="/payment-disclosure" method="post">  
   <div class="space-y-8 divide-y divide-red-200 sm:space-y-5">
-    <input type="hidden" value="{@csrf_token %}" name="_csrf_token"/>
+
+    <input type="hidden" value={@csrf_token} name="_csrf_token"/>
+
+
     <textarea id="disclosure" name="disclosure-hex" rows="22" class="w-full  shadow-sm  bg-indigo-400 bg-opacity-5  focus:ring-indigo-500 focus:border-indigo-500 sm:text-sm border border-gray-300 rounded-md font-mono text-green-400">
     </textarea>
   </div>

lib/zcash_explorer_web/templates/page/vk.html.heex

@@ -35,7 +35,7 @@
     <p class="mt-1 mb-2 max-w-2xl text-sm text-gray-600">
           Paste the viewing key, click on the "Start Importing" button and grab a coffee!
     </p>
-  <input type="hidden" value="{@csrf_token %}" name="_csrf_token"/>
+  <input type="hidden" value={@csrf_token} name="_csrf_token"/>
 
     <textarea id="broadcast" name="vkey" rows="4" class="w-full  shadow-sm  bg-indigo-400 bg-opacity-5  focus:ring-indigo-500 focus:border-indigo-500 sm:text-sm border border-gray-300 rounded-md font-mono text-green-400 "></textarea>