Auto-Copy OCR Extracted Code #4

 **Pull Request Title:**
Auto-Copy OCR Extracted Code #4


 **Pull Request Description:**
This PR implements a feature requested in Issue #4 to allow users to easily copy OCR results from the text area to the clipboard.

 **Changes Made:**

- Created a dedicated feature/copy-ocrcode-issue4 branch.

- Added a "Copy to Clipboard" button below the OCR result text area.

- Implemented JavaScript logic to copy the text content on button click.

- Included visual feedback using a status message "copied" in the right-side corner, in-line with the "Copy to Clipboard" button that appears only for 2 seconds briefly after copying.

- Cleaned up related comments and debug logs.

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### **Special note - Please try/test this feature in the Chrome browser for the time being. I am working on resolving the issue with other browsers, like Edge**

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**Goal:** 
This feature improves user experience by allowing users to quickly copy extracted OCR text without manually selecting it, especially useful when handling longer documents.

Screenshot: 

![Screenshot 2025-06-16 063649(1)](https://github.com/user-attachments/assets/ab976ada-9e19-48bb-8575-c6c73e178e1b)

 **Known Issue (Sub-Issue):**

The feature now works in Chrome and Edge.
Edge browser support for copy-to-clipboard was failing, which is resolved now. 



🔗 Linked Issue:
https://github.com/NM-TAFE/adv-ui-ocrroo-2025-AITMAR-TAFE/issues/4