Smoothen light gamma curve when using Fade (#23230)

CHANGELOG.md

@@ -12,6 +12,7 @@ All notable changes to this project will be documented in this file.
 
 ### Changed
 - Output of commands `GPIO` and `GPIOs` swapped
+- Smoothen light gamma curve when using `Fade`
 
 ### Fixed
 - INA226 driver fixes (#23197)

tasmota/tasmota_xdrv_driver/xdrv_04_light_utils.ino

@@ -59,9 +59,13 @@ const gamma_table_t gamma_table[] = {   // don't put in PROGMEM for performance
 
 // simplified Gamma table for Fade, cheating a little at low brightness
 const gamma_table_t gamma_table_fast[] = {
-  {   384,    192 },
-  {   768,    576 },
-  {  1023,   1023 },
+  {    1,      1 },
+  {  312,     58 },
+  {  457,    106 },
+  {  626,    261 },
+  {  762,    450 },
+  {  895,    703 },
+  { 1023,   1023 },
   { 0xFFFF, 0xFFFF }          // fail-safe if out of range
 };