Optimize GETDISP Websocket Command #490

Job	Run time
intro	1s
test	1m 20s
build (adafruit_feather_esp32_v2-LED-32x8)	3m 26s
build (adafruit_matrixportal_s3-HUB75-64x64)	3m 17s
check (adafruit_feather_esp32_v2-LED-32x8)	3m 38s
doc	45s
check (adafruit_matrixportal_s3-HUB75-64x64)	3m 55s
build (az-delivery-devkit-v4-LED-32x8)	2m 55s
build (esp32doit-devkit-v1-LED-32x8)	3m 10s
check (az-delivery-devkit-v4-LED-32x8)	3m 34s
check (esp32doit-devkit-v1-LED-32x8)	3m 19s
build (esp32doit-devkit-v1-HUB75-64x64)	2m 49s
check (esp32doit-devkit-v1-HUB75-64x64)	3m 39s
build (esp32-s3-devkitc-1-n16r8v-LED-32x8)	3m 18s
build (esp32-nodemcu-LED-32x8)	2m 56s
check (esp32-s3-devkitc-1-n16r8v-LED-32x8)	3m 34s
check (esp32-nodemcu-LED-32x8)	3m 23s
build (lilygo-ttgo-t-display-TFT-32x8)	3m 15s
check (lilygo-ttgo-t-display-TFT-32x8)	3m 1s
build (lilygo-t-display-s3-TFT-32x8)	3m 23s
check (lilygo-t-display-s3-TFT-32x8)	3m 34s
build (m5stack_core-TFT-32x8)	3m 15s
check (m5stack_core-TFT-32x8)	3m 4s
build (ulanzi-tc001-LED-32x8)	3m 0s
check (ulanzi-tc001-LED-32x8)	3m 10s
build (wemos_lolin_s2_mini-LED-32x8)	3m 7s
check (wemos_lolin_s2_mini-LED-32x8)	3m 51s
	1h 21m 39s

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