…1713)

* [Maps] use style metadata to calculate symbolization bands

* only update style meta when fields change

* load join source style meta

* use style meta data request to populate range

* apply source filter to style meta request

* fix heatmap

* only use style meta range if field supports field meta

* add fieldMetaOptions to style prperty descriptor and add migration script

* add UI for setting fieldMetaOptions.isEnabled

* clean up

* review feedback

* fix can_skip_fetch tests

* review feedback

* only show field meta popover for fields that support field meta

* avoid duplicate fields re-fetching style meta

* clean up problems when first creating grid source

* update text for enabling field meta toggle

* provide UI for setting sigma

* allow users to include global time in style meta request

* update SIEM saved objects

* add less than and greater than symbols when styling by field stats

* fix functional tests

* review feedback

* add support for date fields

* review feedback

* only show less then and greater then in legend when values will be outside of std range

* unnest VectorStyle._getFieldRange

* remove unused function

* only show style isTimeAware switch when style fields use field meta