Neeraj Add CSV and XLSX export to used Resources table

[Neeraj-Kondaveeti]

Description

Related PRS (if any):

No Related PRs.
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Main changes explained:

• Updated the Used Resources page to add client-side export functionality for table data.
• Added support for exporting table data in CSV and XLSX formats.
• Introduced row selection logic to allow exporting either all rows or only selected rows.
• Ensured exported files preserve visible column order and displayed values.
• Added minor UI spacing between action buttons to improve visual clarity without changing layout or behavior.
• Added the required dependency to support XLSX export.

How to test:

1. check into current branch
2. do npm install and ... to run this PR locally
3. Clear site data/cache
4. log as admin user
5. Navigate to : http://localhost:5173/communityportal/activity/:activityid/ResourceManagement
6. Verify that the table renders as before with no layout or behavior regressions.
7. Select one or more rows and click Export CSV or Export XLSX to confirm that only selected rows are exported.
8. Open the downloaded files and confirm that column headers, order, and values match the table.

Screenshots or videos of changes:

Note:

• Export is implemented client-side and operates on the currently rendered dataset, which matches the current frontend-only implementation of this page.
• Server-side export and background processing can be added in the future once this page is backed by paginated API data.
• No backend changes were made, and existing page structure, logic, and styling were preserved.

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[rohanrastogi311]

HI Neeraj,

Dark mode is not functional.

[HemanthNidamanuru]

Hi Neeraj,

I tested this PR locally. The table renders correctly, selected row exports for CSV and XLSX are working fine, and the column headers and values match the table.

However, the page is not dark mode aligned. The styling looks inconsistent when dark mode is enabled.

[Anusha-Gali]

Hi Neeraj,

I have reviewed your PR locally and would point out the same thing as i did #4903 points to same link that is being accessed by this PR which on merge can cause issues.

Also the buttons can be enhanced in dark mode. The rest of the functionality works as per requirement in light mode however the dark mode is not adapted.

[Anusha-Gali]

Hi Neeraj,

I have reviewed your PR locally and though all functions work as per requirement except row selection, that options is not visible anymore.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud