Persist Table Filters in the API Explorer (#2936)

* fix: allow changing the categories of a checkbox tree

* feat: allow setting the current selection in the checkbox tree

* feat: allow setting the current selection in the select

* feat: add a way to access the tables internal state (filters, search, ...)

* feat: add useQueryParams hook

* feat: persist the table state of the api explorer in the url

* Use react-use instead of writing own hooks

* Resolve review comments

* Rename selectedChilds to selecetedChildren

* Add changesets

* Support passing a separate state name to useQueryParamState

This allows to use the useQueryParamState hook multiple time per route and have a separate state.

* refactor: fix typo...

.changeset/fluffy-dragons-cry.md

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+---
+'@backstage/core': patch
+---
+
+Extend the table to share its current filter state. The filter state can be used together with the new `useQueryParamState` hook to store the current filter state to the browser history and restore it after navigating to other routes.

.changeset/odd-parents-push.md

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+---
+'@backstage/plugin-api-docs': patch
+---
+
+Persist table state of the API Explorer to the browser history. This allows to navigate between pages and come back to the previous filter state.

.changeset/seven-monkeys-run.md

@@ -0,0 +1,5 @@
+---
+'@backstage/core': patch
+---
+
+Make the selected state of Select and CheckboxTree controllable from outside.