[TASK] Extract Indexed Search inline event handling

Indexed Search pagination still uses `onclick="..."` inline
event handlers. For being compatible with content security policy,
the corresponding handlers are added as inline JavaScript, embedded
with a CSP nonce value.

Resolves: #101271
Releases: main, 12.4
Change-Id: Ic1202faf8be2d1d9e84b599f62e8c9a53aeef2fa
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/79857


Tested-by: core-ci <typo3@b13.com>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>