QHttp2Configuration - respect the value returned by huffmanCompressionEnabled()

And either compress or not.

Task-number: QTBUG-77412
Change-Id: I3b09385d2b3caf4f7de0455ad6e22c0f068c33a9
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>

src/network/access/http2/hpack.cpp

@@ -208,6 +208,11 @@ void Encoder::setMaxDynamicTableSize(quint32 size)
     lookupTable.setMaxDynamicTableSize(size);
 }
 
+void Encoder::setCompressStrings(bool compress)
+{
+    compressStrings = compress;
+}
+
 bool Encoder::encodeRequestPseudoHeaders(BitOStream &outputStream,
                                          const HttpHeader &header)
 {

src/network/access/http2/hpack_p.h

@@ -83,6 +83,7 @@ public:
                           quint32 newSize);
 
     void setMaxDynamicTableSize(quint32 size);
+    void setCompressStrings(bool compress);
 
 private:
     bool encodeRequestPseudoHeaders(BitOStream &outputStream,

src/network/access/qhttp2protocolhandler.cpp

@@ -179,6 +179,7 @@ QHttp2ProtocolHandler::QHttp2ProtocolHandler(QHttpNetworkConnectionChannel *chan
     maxSessionReceiveWindowSize = h2Config.sessionReceiveWindowSize();
     pushPromiseEnabled = h2Config.serverPushEnabled();
     streamInitialReceiveWindowSize = h2Config.streamReceiveWindowSize();
+    encoder.setCompressStrings(h2Config.huffmanCompressionEnabled());
 
     if (!channel->ssl && m_connection->connectionType() != QHttpNetworkConnection::ConnectionTypeHTTP2Direct) {
         // We upgraded from HTTP/1.1 to HTTP/2. channel->request was already sent