Backends: WebGPU: fixed Emscripten version check. (#8381)

Amend ff673d3.

backends/imgui_impl_wgpu.h

diff --git a/backends/imgui_impl_wgpu.h b/backends/imgui_impl_wgpu.h
index 5222345..1e026be 100644
--- a/backends/imgui_impl_wgpu.h
+++ b/backends/imgui_impl_wgpu.h
@@ -35,7 +35,7 @@
 #include <emscripten/version.h>
 
 #ifdef __EMSCRIPTEN_MAJOR__
-#if (__EMSCRIPTEN_MAJOR__ >= 4) && (__EMSCRIPTEN_MINOR__ >= 0) && (__EMSCRIPTEN_TINY__ >= 10)
+#if (__EMSCRIPTEN_MAJOR__ >= 5) || ((__EMSCRIPTEN_MAJOR__ >= 4) && (__EMSCRIPTEN_MINOR__ >= 0) && (__EMSCRIPTEN_TINY__ >= 10))
 #define IMGUI_IMPL_WEBGPU_BACKEND_DAWN
 #else
 #define IMGUI_IMPL_WEBGPU_BACKEND_WGPU

docs/CHANGELOG.txt

diff --git a/docs/CHANGELOG.txt b/docs/CHANGELOG.txt
index fc15fe0..a7e880a 100644
--- a/docs/CHANGELOG.txt
+++ b/docs/CHANGELOG.txt
@@ -65,6 +65,8 @@
   - Clear `DisplayStart`/`DisplayEnd` fields when `Step()` returns false.
   - Added `UserIndex` helper storage. This is solely a convenience for cases where
     you may want to carry an index around.
+- Backends:
+  - WebGPU: fixed version check for Emscripten 5.0.0+.
 - Examples:
   - Emscripten: added `tabindex=-1` to canvas in our shell_minimal.htm. Without it,
     the canvas was not focusable in the DOM, which in turn make some backends