GH-116839
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Validate extension JSON: Error: Field 'classes/Control/methods/get_accessibility_live/return_value': type changed value in new API, from "enum::DisplayServer.AccessibilityLiveMode" to "enum::AccessibilityServer.AccessibilityLiveMode".
Validate extension JSON: Error: Field 'classes/Control/methods/set_accessibility_live/arguments/0': type changed value in new API, from "enum::DisplayServer.AccessibilityLiveMode" to "enum::AccessibilityServer.AccessibilityLiveMode".

Enum moved to AccessibilityServer. Compatibility methods registered.
