Add toast notification for copy actions

The methods for copying text to the clipboard could include a toast notification to inform users that the text has been copied. This enhancement was discussed in [PR #3918](https://github.com/Ginger-Automation/Ginger/pull/3918) [comment](https://github.com/Ginger-Automation/Ginger/pull/3918#discussion_r1769634298) by @Maheshkale447.