search_api_solr 8.x-1.0-alpha2

A new alpha release for Search API Solr that is compatible with Search API 8.x-1.0-alpha11.

Changes since 8.x-1.0-alpha1:

• #2632854 by janusman: \SolrHelper::getExcerpt() in SolrHelper referencing objects instead of array
• #2638804 by Berdir: Avoid render exception when generating URL without collecting cacheability metadata
• #2576145 by anchal29: Remove obsolete solr communivation layer
• #2639702 by mbovan: Wrong exception class in Search API Solr backend
• #2646272 by marthinal: Missing the field key when creating a filter query for spatial searches
• #2596421 by raj45, drunken monkey: Add an option to deactivate the site hash filter
• #2618900 by edurenye: server_description should not be saved in the config
• #2645222 by drunken monkey: Clean up code
• #2636270 by drunken monkey, swentel, Berdir: Fixed compatibility with search_api alpha11
• #2595077 by jhedstrom, Berdir: Fixed test namespace
• #2595077 by jhedstrom, Berdir: Get tests running again
• #2596221 by swentel: Fixed Warning: Invalid argument supplied for foreach() in Drupal\search_api_solr\Plugin\search_api\backend\SearchApiSolrBackend->search() (line 770
• #2602212 by drunken monkey: Adapted to latest changes in the Search API data type plugin system.