Update SheenBidi and use the new decoding function

Use the `SBCodepointDecodeNextFromUTF8` function
introduced in https://github.com/Tehreer/SheenBidi/pull/33

3rdParty/SheenBidi/CMakeLists.txt

@@ -6,7 +6,7 @@ set(ASAN OFF)
 set(UBSAN OFF)
 
 FetchContent_Declare_ExcludeFromAll(SheenBidi
-  URL https://github.com/Tehreer/SheenBidi/archive/a1a55a8d6fbb63bab26f4f8ff43bdea5ec30a60a.tar.gz
-  URL_HASH MD5=f652da33c6a437ff8038d25c6fc9a01c
+  URL https://github.com/Tehreer/SheenBidi/archive/c44eb1163c0aac67544862b4fef8d1d3c747f1f0.tar.gz
+  URL_HASH MD5=2ae98ceaccb6d0be165766c9af1a6c2b
 )
 FetchContent_MakeAvailable_ExcludeFromAll(SheenBidi)

Source/utils/utf8.cpp

@@ -13,13 +13,9 @@ namespace devilution {
 
 char32_t DecodeFirstUtf8CodePoint(std::string_view input, std::size_t *len)
 {
-	SBCodepointSequence seq {
-		.stringEncoding = SBStringEncodingUTF8,
-		.stringBuffer = const_cast<void *>(static_cast<const void *>(input.data())),
-		.stringLength = static_cast<SBUInteger>(input.size())
-	};
 	SBUInteger index = 0;
-	SBCodepoint result = SBCodepointSequenceGetCodepointAt(&seq, &index);
+	SBCodepoint result = SBCodepointDecodeNextFromUTF8(
+	    reinterpret_cast<const SBUInt8 *>(input.data()), static_cast<SBUInteger>(input.size()), &index);
 	*len = index;
 	return result;
 }