374159-Upgrading sample to .net 8.0 and latest node version

[SuryaVijayakumarSF4316]

General

Types of changes	Improvements
Task Description	Task 374159: Support - Need to upgrade embedding sample to .NET core to 8.0
Solution description	Upgraded to latest node version.
Is Breaking issue?	No breaking issue.
UX Design Link	Not applicable
Areas affected and ensured	No areas are affected.
Is a change log required?	No
If required, what is the change log content?	List the change logs.

Output screenshots

Before changes:

After changes:

Check list

Please confirm all item in this checklist before sharing the PR with reviewer

• Self reviewed my PR and confirmed no unwanted changes included
• Get the techincal review for newly added content
• Get the content review for newly added content
• Get the UX review for final implementation if changes related to UI
• Ensured my changes in all browser Chrome, Firefox, Edge with different zoom-in and zoom-out
• Ensured my changes in different system resolutions are 100%, 125% and 150%
• Ensured my changes in browser window resizing from mobile to desktop vice versa
• Ensured my changes in mobile resolution mode
• Shown the demo to reviewer
• Whether my changes are ensured in staging sites if applicable
• Created documentation task or included details in existing tasks, whether my changes have new or revamp API's in Embedded SDK
• Ensured the code compilation success in My PR

[MadeshGiri]

Code changes are fine saw the demo sample is running properly without any issue.