feature #6377 Make filter modal scrollable (tpatartmajeur)

This PR was merged into the 4.x branch.

Discussion
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Make filter modal scrollable

In my project, we sometimes have a lot of filters available for a CRUD.
Making the header sticky saves a lot of scrolling 😉
This won't impact cases where there are few filters.

![Screenshot_20240722_090811](https://github.com/user-attachments/assets/fcd965f9-9f98-4786-b6d3-dc8ae9c4354e)

Commits
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ecdc6b6 Make filter modal scrollable

src/Resources/views/crud/includes/_filters_modal.html.twig

@@ -1,5 +1,5 @@
 <div id="modal-filters" class="modal fade" tabindex="-1">
-    <div class="modal-dialog">
+    <div class="modal-dialog modal-dialog-scrollable">
         <div class="modal-content">
             <div class="modal-header">
                 <button type="button" data-bs-dismiss="modal" class="btn btn-sm btn-secondary" id="modal-clear-button" formtarget="_self">