Change form submissions migration to use decimal (#313)

Author: ryanmitchell

database/migrations/2024_05_15_100000_modify_form_submissions_id.php

@@ -9,7 +9,7 @@
     public function up()
     {
         Schema::table($this->prefix('form_submissions'), function (Blueprint $table) {
-            $table->double('id', 14, 4)->index()->unique()->change();
+            $table->decimal('id', 14, 4)->index()->unique()->change();
         });
     }