GH-110767
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Validate extension JSON: Error: Field 'classes/AnimationPlayer/methods/get_assigned_animation/return_value': type changed value in new API, from "String" to "StringName".
Validate extension JSON: Error: Field 'classes/AnimationPlayer/methods/get_autoplay/return_value': type changed value in new API, from "String" to "StringName".
Validate extension JSON: Error: Field 'classes/AnimationPlayer/methods/get_current_animation/return_value': type changed value in new API, from "String" to "StringName".
Validate extension JSON: Error: Field 'classes/AnimationPlayer/methods/get_queue/return_value': type changed value in new API, from "PackedStringArray" to "typedarray::StringName".
Validate extension JSON: Error: Field 'classes/AnimationPlayer/methods/set_assigned_animation/arguments/0': type changed value in new API, from "String" to "StringName".
Validate extension JSON: Error: Field 'classes/AnimationPlayer/methods/set_autoplay/arguments/0': type changed value in new API, from "String" to "StringName".
Validate extension JSON: Error: Field 'classes/AnimationPlayer/methods/set_current_animation/arguments/0': type changed value in new API, from "String" to "StringName".
Validate extension JSON: Error: Field 'classes/AnimationPlayer/signals/current_animation_changed/arguments/0': type changed value in new API, from "String" to "StringName".

Return types and parameters changed to StringName to improve performance. Compatibility methods registered; No compatibility system for signal arguments.
