ISTWCMS-5032: adding catalog search to layout builder browser

config/install/layout_builder_browser.layout_builder_browser_block.uw_lbb_catalog_search.yml

+langcode: en
+status: true
+dependencies: {  }
+id: uw_lbb_catalog_search
+block_id: uw_cbl_catalog_search
+category: uw_bc_searches
+label: 'Catalog search'
+weight: -1
+image_path: images/layout_builder_browser/catalogsearch.svg
+image_path_base: 'theme:uw_fdsu_theme_resp'
+image_alt: 'Catalog search'