holoviz/panel: Version 1.8.7

This patch release reverts two changes that were made in 1.8.6 that turned out to be more disruptive than expected. Additionally it ensures that Tabulator automatically recalculates page sizes on resize and resolves issues with patched versions of Plotly. 🐛 Bug fixes Rerun Tabulator page size calculation on resize (#8395) Fix issues with monkey-patched versions of Plotly ([#8397]](https://github.com/holoviz/panel/pull/8397)) ⏪ Reverted Ensure edit_readonly resets both class- and instance-level parameters (#8371) Validate ReactiveHTML missing id errors (#8382)