Fix doc-level monitor failure on source indices with custom analysis or malformed mappings - #2223

Fix doc-level monitor failure on source indices with custom analysis or malformed mappings#2223

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thecodingshrimp:fix-strip-invalid-field-attributes-from-query-index-mappingsthecodingshrimp/opensearch-plugins-alerting:fix-strip-invalid-field-attributes-from-query-index-mappingsCopy head branch name to clipboard