FIX - WMS GetMap returns error lower bound is greater than upper bound

[Bang Pham Huu]

This request

curl 'http://localhost:8080/rasdaman/ows?service=WMS&request=GetMap&version=1.3.0&transparent=TRUE&layers=water_and_wetness&styles=water_and_wetness_wms_style&format=image/png&width=256&height=256&time=2018-01-01T00:00:00.000Z&crs=EPSG:4326&bbox=18,-72,36,-54'

return error

Failed when processing WMS request: lower bound '900000' must be less than or equal to upper bound '899840' for axis 'X'.

Because the style is WCPS fragment and coverage water_and_wetness_wms_style_128 has bigger XY extents than coverage water_and_wetness_wms_style_.

[Bang Pham Huu]

Also with this request

curl 'http://localhost:8080/rasdaman/ows?service=WMS&request=GetMap&version=1.3.0&transparent=TRUE&layers=water_and_wetness&styles=water_and_wetness_wms_style&format=image/png&width=256&height=256&time=2018-01-01T00:00:00.000Z&crs=EPSG:4326&bbox=18,72,36,90'
}}]

it has error

{{{
	Failed when processing WMS request: lower bound '7400960' must be less than or equal to upper bound '7400000' for axis 'X'
}}}

[Bang Pham Huu]

Also failed with this one

service=WMS&request=GetMap&version=1.3.0&transparent=TRUE&layers=water_and_wetness&styles=water_and_wetness_wms_style&format=image/png&width=256&height=256&time=2018-01-01T00:00:00.000Z&crs=EPSG:4326&bbox=18,72,36,90