Issue #3113608 by bnjmnm, lauriii: Add copies of Classy templates to core themes

...mplates/classy/block/block--local-actions-block.html.twig

...templates/classy/block/block--local-tasks-block.html.twig

...templates/classy/block/block--system-menu-block.html.twig

...umami/themes/umami/templates/classy/block/block.html.twig

...templates/classy/content-edit/file-managed-file.html.twig

...mi/templates/classy/content-edit/filter-caption.html.twig

...templates/classy/content-edit/filter-guidelines.html.twig

...umami/templates/classy/content-edit/filter-tips.html.twig

...mami/templates/classy/content-edit/image-widget.html.twig

...ami/templates/classy/content-edit/node-add-list.html.twig

...mi/templates/classy/content-edit/node-edit-form.html.twig

...mplates/classy/content-edit/text-format-wrapper.html.twig

.../umami/templates/classy/content/aggregator-item.html.twig

.../templates/classy/content/book-node-export-html.html.twig

...i/themes/umami/templates/classy/content/comment.html.twig

...emes/umami/templates/classy/content/links--node.html.twig

...mami/themes/umami/templates/classy/content/mark.html.twig

...mami/templates/classy/content/media-embed-error.html.twig

...ami/themes/umami/templates/classy/content/media.html.twig

...hemes/umami/templates/classy/content/page-title.html.twig