BUG #14371: disable LUT rescale when user sets a custom range.

Disable automatic LUT range rescale when user sets a custom range or a temporal
range.

Change-Id: Id8fd28b51207a7e50fac2cc01aa398c7478b6e90
Merge topic '14371_fix_color_function_rescale' into next

2e2c51e BUG #14371: disable LUT rescale when user sets a custom range.