Prevent global variables merging origin data (#468)

* Prevent global variables merging origin data

* Add test coverage

* 🍺

Author: ryanmitchell

src/Globals/Variables.php

@@ -31,10 +31,6 @@ public static function makeModelFromContract(Contract $source)
 
         $data = $source->data();
 
-        if ($source->hasOrigin()) {
-            $data = $source->origin()->data()->merge($data);
-        }
-
         return $class::firstOrNew([
             'handle' => $source->globalSet()->handle(),
             'locale' => $source->locale,

tests/Globals/GlobalVariablesTest.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace Globals;
+
+use PHPUnit\Framework\Attributes\Test;
+use Statamic\Eloquent\Globals\VariablesModel;
+use Statamic\Facades;
+use Tests\TestCase;
+
+class GlobalVariablesTest extends TestCase
+{
+    #[Test]
+    public function does_not_save_synced_origin_data_to_localizations()
+    {
+        $global = Facades\Globalset::make('test');
+
+        $global->addLocalization($global->makeLocalization('en')->data(['foo' => 'bar', 'baz' => 'qux']));
+        $global->addLocalization($global->makeLocalization('fr')->origin('en')->data([]));
+
+        $global->save();
+
+        $this->assertCount(2, VariablesModel::all());
+        $this->assertSame(VariablesModel::all()->firstWhere('locale', 'fr')->data, []);
+    }
+}