Dashify 1.3.9 maintenance release

This release of Dashify fixes a few bugs.

🐞 Bug fixes

• Fixed the Dashify custom admin menu overlapping with the content in the block post/page editor.
• Fixed Payments admin menu icon not showing if Payments links to the payment gateway settings instead of WooCommerce Payments.
• Added custom admin menu icons for WPForms and Code Snippets—these previously had missing icons.