Fix flicker of historical imagery

[jo-chemla]

EDIT: below fix not working with mapbox-gl-js 3.14.0, see linked react-map-gl comment and:

• maplibre PR comment Fix: raster-fade-duration is ignored (issue #5038) maplibre/maplibre-gl-js#6053 (comment)
• mapbox issue How to make a time series animation with Source and Layer  mapbox/mapbox-gl-js#13044 (comment) and PR raster-tile-source: add per-tile fade on new tileset loaded to avoid flicker for raster timeseries mapbox/mapbox-gl-js#13535

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Could be useful to apply comment from here mapbox/mapbox-gl-js#13044 (comment)
Should make transition between tiles at different timestamps smoother.

Applying the below raster paint property on layer:

paint: { raster-opacity-transition: { duration: 0 } }