Refactor: replace form_for with form_with in casa admin edit form

Signed-off-by: Audrea Cook <[email protected]>

Author: AudTheCodeWitch

app/views/all_casa_admins/casa_admins/edit.html.erb

@@ -6,7 +6,7 @@
 <%= render 'layouts/flash_messages' %>
 <div class="card-style">
   <div class="card-body">
-    <%= form_for @casa_admin, as: :all_casa_admin, url: all_casa_admins_casa_org_casa_admin_path do |form| %>
+    <%= form_with(model: @casa_admin, as: :all_casa_admin, url: all_casa_admins_casa_org_casa_admin_path) do |form| %>
       <%= render "/shared/error_messages", resource: @casa_admin %>
 
       <div class="input-style-1">