prevent editing public role in apps

packages/builder/src/components/backend/DataTable/modals/EditRoles.svelte

@@ -10,6 +10,8 @@
   let selectedRole = {}
   let errors = []
   let builtInRoles = ["Admin", "Power", "Basic", "Public"]
+  // Don't allow editing of public role
+  $: allRoles = $roles.filter(role => role._id !== "PUBLIC")
   $: selectedRoleId = selectedRole._id
   $: otherRoles = $roles.filter(role => role._id !== selectedRoleId)
   $: isCreating = selectedRoleId == null || selectedRoleId === ""
@@ -96,7 +98,7 @@
     label="Role"
     value={selectedRoleId}
     on:change={changeRole}
-    options={$roles}
+    options={allRoles}
     placeholder="Create new role"
     getOptionValue={role => role._id}
     getOptionLabel={role => role.name}