If tsdb is enabled and the mapping contains fields of type `match_only_text` then these fields are not visible in the _source
in the search response.

Reproduction of this issue:

```

PUT _index_template/my-weather-sensor-index-template
{
    "index_patterns": [
        "metrics-weather_sensors-*"
    ],
    "data_stream": {},
    "template": {
        "settings": {
            "index.mode": "time_series",
            "index.routing_path": [
                "sensor_id",
                "location"
            ],
            "index.look_ahead_time": "3h"
        },
        "mappings": {
            "properties": {
                "sensor_id": {
                    "type": "keyword",
                    "time_series_dimension": true
                },
                "location": {
                    "type": "keyword",
                    "time_series_dimension": true
                },
                "temperature": {
                    "type": "half_float",
                    "time_series_metric": "gauge"
                },
                "humidity": {
                    "type": "half_float",
                    "time_series_metric": "gauge"
                },
                "@timestamp": {
                    "type": "date",
                    "format": "strict_date_optional_time"
                },
                "message": {
                    "type": "match_only_text"
                }
            }
        }
    },
    "priority": 500,
    "_meta": {
        "description": "Template for my weather sensor data"
    }
}

DELETE _data_stream/metrics-weather_sensors-dev

POST /metrics-weather_sensors-dev/_doc
{
    "@timestamp": "2023-07-04T11:21:15.000Z",
    "sensor_id": "HAL-000001",
    "location": "plains",
    "temperature": 26.7,
    "humidity": 49.9,
    "message": "hey"
}

POST /metrics-weather_sensors-dev/_doc
{
    "@timestamp": "2023-07-04T11:25:42.000Z",
    "sensor_id": "SYKENET-000001",
    "location": "swamp",
    "temperature": 32.4,
    "humidity": 88.9,
    "message": "you"
}

GET /metrics-weather_sensors-dev/_search
```

The search response will not contain the `message` field in the `_source` and this field should exist.
server/src/main/java/org/elasticsearch/index/mapper/MappingParser.java
MappingParser(
        Supplier<MappingParserContext> mappingParserContextSupplier,
        Map<String, MetadataFieldMapper.TypeParser> metadataMapperParsers,
        Supplier<Map<Class<? extends MetadataFieldMapper>, MetadataFieldMapper>> metadataMappersSupplier,
        Function<String, String> documentTypeResolver
    ) {
        this.mappingParserContextSupplier = mappingParserContextSupplier;
        this.metadataMapperParsers = metadataMapperParsers;
        this.metadataMappersSupplier = metadataMappersSupplier;
        this.documentTypeResolver = documentTypeResolver;
    }
    /**
     * Verify that there are no remaining fields in the provided map that contained mapped fields
     *
     * @param fieldName the name of the field that is being parsed
     * @param fieldNodeMap the map of fields
     */
    public static void checkNoRemainingFields(String fieldName, Map<?, ?> fieldNodeMap) {
        checkNoRemainingFields(fieldNodeMap, "Mapping definition for [" + fieldName + "] has unsupported parameters: ");
    }
    /**
     * Verify that there are no remaining fields in the provided map that contained mapped fields
     *
     * @param fieldNodeMap the map of fields
     * @param message the error message to be returned in case the provided map contains one or more fields
     */
    public static void checkNoRemainingFields(Map<?, ?> fieldNodeMap, String message) {
        if (fieldNodeMap.isEmpty() == false) {
            throw new MapperParsingException(message + getRemainingFields(fieldNodeMap));
        }