### Godot version

4.2 dev 2

### System information

Windows 10 Godot Engine v4.2.dev2.mono.official.da81ca62a - https://godotengine.org OpenGL API 3.3.0 NVIDIA 536.67 - Compatibility - Using Device: NVIDIA - NVIDIA GeForce GTX 980 Ti

### Issue description

If you have multiple openxr action sets it will fail to load all of the action sets after the first one loaded

### Steps to reproduce

Have multiple openxr action sets

### Minimal reproduction project

N/A
#include <EGL/eglext.h>
#include <GLES3/gl3.h>
#include <GLES3/gl3ext.h>
#else
#define XR_USE_GRAPHICS_API_OPENGL
#endif 
#ifdef X11_ENABLED
#include OPENGL_INCLUDE_H
#define GL_GLEXT_PROTOTYPES 1
#define GL3_PROTOTYPES 1
#include "thirdparty/glad/glad/gl.h"
#include "thirdparty/glad/glad/glx.h"
#include <X11/Xlib.h>
#endif 
#endif 
#ifdef VULKAN_ENABLED
#include "extensions/openxr_vulkan_extension.h"
#endif
#if defined(GLES3_ENABLED) && !defined(MACOS_ENABLED)
#include "extensions/openxr_opengl_extension.h"
#endif
#include "extensions/openxr_composition_layer_depth_extension.h"
#include "extensions/openxr_fb_display_refresh_rate_extension.h"
#include "extensions/openxr_fb_passthrough_extension_wrapper.h"
#ifdef ANDROID_ENABLED
#define OPENXR_LOADER_NAME "libopenxr_loader.so"
#endif
OpenXRAPI *OpenXRAPI::singleton = nullptr;
Vector<OpenXRExtensionWrapper *> OpenXRAPI::registered_extension_wrappers;
bool OpenXRAPI::openxr_is_enabled(bool p_check_run_in_editor) {