Everywhere: Make ByteBuffer::{create_*,copy}() OOM-safe

Author: https://github.com/alimpfard
Commit: 97e97bccab
Pull-request: https://github.com/SerenityOS/serenity/pull/9832
Reviewed-by: https://github.com/IdanHo

Userland/Libraries/LibGfx/Bitmap.cpp

@@ -247,7 +247,8 @@ RefPtr<Bitmap> Bitmap::try_create_from_serialized_byte_buffer(ByteBuffer&& buffe
 
 ByteBuffer Bitmap::serialize_to_byte_buffer() const
 {
-    auto buffer = ByteBuffer::create_uninitialized(sizeof(size_t) + 4 * sizeof(unsigned) + sizeof(BitmapFormat) + sizeof(RGBA32) * palette_size(m_format) + size_in_bytes());
+    // FIXME: Somehow handle possible OOM situation here.
+    auto buffer = ByteBuffer::create_uninitialized(sizeof(size_t) + 4 * sizeof(unsigned) + sizeof(BitmapFormat) + sizeof(RGBA32) * palette_size(m_format) + size_in_bytes()).release_value();
     OutputMemoryStream stream { buffer };
 
     auto write = [&]<typename T>(T value) {