BizCore v1.5.2 Workspace Name Hotfix

Fixes a PHP variable collision in includes/header.php that caused the page heading
to display the last workspace name even when another workspace was selected.

Install:
1. Upload to /public_html/ceylongemx.online/
2. Extract and overwrite.
3. No database update is required.
4. Hard refresh the browser with Ctrl+F5.
