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

Tests/LibCrypto/TestRSA.cpp

@@ -12,7 +12,7 @@
 
 static ByteBuffer operator""_b(const char* string, size_t length)
 {
-    return ByteBuffer::copy(string, length);
+    return ByteBuffer::copy(string, length).release_value();
 }
 
 TEST_CASE(test_RSA_raw_encrypt)