When decompressing compressed messages, dont barf if we try to decompress the same attribute twice

database/migrations/2024_05_13_154308_add_origin_to_netmail.php

@@ -0,0 +1,28 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('netmails', function (Blueprint $table) {
+			$table->string('origin')->nullable();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('netmail', function (Blueprint $table) {
+			$table->dropColumn('origin');
+        });
+    }
+};