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/LibCrypto/PK/Code/EMSA_PSS.h

@@ -147,7 +147,7 @@ public:
     void MGF1(ReadonlyBytes seed, size_t length, Bytes out)
     {
         auto& hash_fn = this->hasher();
-        ByteBuffer T = ByteBuffer::create_zeroed(0);
+        ByteBuffer T;
         for (size_t counter = 0; counter < length / HashFunction::DigestSize - 1; ++counter) {
             hash_fn.update(seed);
             hash_fn.update((u8*)&counter, 4);