access: migrate TAB binding for stash focus

Source/options.cpp

@@ -1194,12 +1194,23 @@ void KeymapperOptions::Action::LoadFromIni(std::string_view category)
 		return; // Use the default key if no key has been set.
 	}
 
-	const std::string_view iniValue = iniValues.back().value;
-	if (iniValue.empty()) {
-		if (key == "SpeakCurrentLocation") {
-			const std::span<const Ini::Value> chatLogValues = ini->get(category, "ChatLog");
-			if (!chatLogValues.empty() && chatLogValues.back().value == "L") {
-				SetValue(defaultKey);
+	const std::string_view iniValue = iniValues.back().value;
+	if (iniValue.empty()) {
+		// Migration: `ToggleAutomap` could have been saved as unbound due to a key
+		// conflict when `ToggleStashFocus` was also bound to TAB. Restore the default
+		// key in that case so TAB works consistently.
+		if (key == "ToggleAutomap") {
+			const std::span<const Ini::Value> stashFocusValues = ini->get(category, "ToggleStashFocus");
+			if (!stashFocusValues.empty() && stashFocusValues.back().value == "TAB") {
+				SetValue(defaultKey);
+				return;
+			}
+		}
+
+		if (key == "SpeakCurrentLocation") {
+			const std::span<const Ini::Value> chatLogValues = ini->get(category, "ChatLog");
+			if (!chatLogValues.empty() && chatLogValues.back().value == "L") {
+				SetValue(defaultKey);
 				return;
 			}
 		}
@@ -1219,15 +1230,23 @@ void KeymapperOptions::Action::LoadFromIni(std::string_view category)
 			SetValue(defaultKey);
 			return;
 		}
-
-		SetValue(SDLK_UNKNOWN);
-		return;
-	}
-
-	auto keyIt = GetOptions().Keymapper.keyNameToKeyID.find(iniValue);
-	if (keyIt == GetOptions().Keymapper.keyNameToKeyID.end()) {
-		// Use the default key if the key is unknown.
-		Log("Keymapper: unknown key '{}'", iniValue);
+
+		SetValue(SDLK_UNKNOWN);
+		return;
+	}
+
+	// Migration: `ToggleStashFocus` previously defaulted to `TAB`, which conflicts
+	// with `ToggleAutomap` and can result in TAB doing nothing (e.g. when the action
+	// is disabled by a menu state). Unbind it when configured as TAB.
+	if (key == "ToggleStashFocus" && iniValue == "TAB") {
+		SetValue(defaultKey);
+		return;
+	}
+
+	auto keyIt = GetOptions().Keymapper.keyNameToKeyID.find(iniValue);
+	if (keyIt == GetOptions().Keymapper.keyNameToKeyID.end()) {
+		// Use the default key if the key is unknown.
+		Log("Keymapper: unknown key '{}'", iniValue);
 		SetValue(defaultKey);
 		return;
 	}