libretro: disable popups by default

Source/Core/DolphinLibretro/Boot.cpp

@@ -305,7 +305,10 @@ bool retro_load_game(const struct retro_game_info* game)
   {
     // Log the message instead of showing a popup
     WARN_LOG_FMT(COMMON, "Suppressed popup: {} - {}", caption, text);
-    Libretro::Log::LogFrontEnd(style, caption, text, 2000);
+
+    if (Libretro::GetOption<bool>(retroarch_core::ENABLE_LOG_POPUPS,
+                            /*def=*/false))
+      Libretro::Log::LogFrontEnd(style, caption, text, 2000);
     return true; // Always "continue"
   });
 

Source/Core/DolphinLibretro/Common/Options.cpp

@@ -1969,6 +1969,20 @@ static struct retro_core_option_v2_definition option_defs[] = {
     "26760"
   },
 #endif
+  {
+   Libretro::Options::retroarch_core::ENABLE_LOG_POPUPS,
+    "Interface > Logging > Popups",
+    "Popup Logging",
+    "Enable Popup log messages.",
+    nullptr,
+    CATEGORY_RETROARCH_CORE,
+    {
+      { "disabled", nullptr },
+      { "enabled",  nullptr },
+      { nullptr,    nullptr }
+    },
+    "disabled"
+  },
 
   { nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, {{0}}, nullptr }
 };

Source/Core/DolphinLibretro/Common/Options.h

@@ -354,8 +354,8 @@ namespace retroarch_core {
 
   constexpr const char ENABLE_LIBRETRO_VFS[] = "dolphin_libretro_vfs_enabled";
   constexpr const char ENABLE_DEFAULT_MOUSE_BINDINGS[] = "dolphin_default_mouse_bindings_enabled";
-
-}  // namespace wiimote
+  constexpr const char ENABLE_LOG_POPUPS[] = "dolphin_log_popups_enabled";
+}  // namespace retroarch_core
 
 // ======================================================
 // Wiimote (DSU)