[release/6.0] Clear OpenSSL error queues before reading/writing SSL data (#77772)

Author: rzikm

src/libraries/Native/Unix/System.Security.Cryptography.Native/pal_ssl.c

@@ -406,11 +406,15 @@ int32_t CryptoNative_SslSessionReused(SSL* ssl)
 
 int32_t CryptoNative_SslWrite(SSL* ssl, const void* buf, int32_t num)
 {
+    ERR_clear_error();
+
     return SSL_write(ssl, buf, num);
 }
 
 int32_t CryptoNative_SslRead(SSL* ssl, void* buf, int32_t num)
 {
+    ERR_clear_error();
+
     return SSL_read(ssl, buf, num);
 }