Backends: GLFW: Fixed miss untranslation of keypad keys. (#4921, #452)

backends/imgui_impl_glfw.cpp

@@ -282,6 +282,8 @@ static int ImGui_ImplGlfw_TranslateUntranslatedKey(int key, int scancode)
     // See https://github.com/glfw/glfw/issues/1502 for details.
     // Adding a workaround to undo this (so our keys are translated->untranslated->translated, likely a lossy process).
     // This won't cover edge cases but this is at least going to cover common cases.
+    if (key >= GLFW_KEY_KP_0 && key <= GLFW_KEY_KP_EQUAL)
+        return key;
     const char* key_name = glfwGetKeyName(key, scancode);
     if (key_name && key_name[0] != 0 && key_name[1] == 0)
     {