Fix ServerResource metric to calculate disk space in gigabytes

Author: laravelwebdev

app/Nova/Metrics/ServerResource.php

@@ -31,7 +31,7 @@ public function calculate(NovaRequest $request): PartitionResult
         $process = new Process($command, '/home');
         $process->run();
         $used = (int) $process->getOutput();
-        $value = $this->type === 'space' ? round($used / 1024, 2) : $used;
+        $value = $this->type === 'space' ? round($used / 1024 / 1024, 2) : $used;
         $total = $this->type === 'space' ? round((int) config('app.disk_space_limit') / 1024 / 1024 / 1024, 2) : (int) config('app.disk_inode_limit');
 
         return $this->result([