disable prose by default for rx.html #6236

Job	Run time
example-counter (ubuntu-latest, 3.9.18)	3m 7s
example-counter (ubuntu-latest, 3.10.13)	2m 53s
reflex-web (ubuntu-latest, 3.10.11)	9m 0s
example-counter (ubuntu-latest, 3.11.5)	3m 3s
reflex-web (ubuntu-latest, 3.11.4)	8m 15s
example-counter (ubuntu-latest, 3.12.0)	2m 57s
reflex-web (windows-latest, 3.10.11)	8m 5s
example-counter (windows-latest, 3.11.5)	8m 9s
reflex-web (windows-latest, 3.11.4)	9m 24s
reflex-web (macos-12, 3.10.11)	10m 41s
example-counter (windows-latest, 3.12.0)	7m 42s
reflex-web (macos-12, 3.11.4)	13m 3s
example-counter (macos-12, 3.9.18)	8m 29s
example-counter (macos-12, 3.10.13)	5m 48s
example-counter (macos-12, 3.11.5)	4m 30s
example-counter (macos-12, 3.12.0)	7m 26s
example-counter (windows-latest, 3.10.11)	5m 33s
example-counter (windows-latest, 3.9.13)	6m 43s
	2h 4m 48s

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