QCborStreamWriter: add append(QByteArrayView)

This required demoting the QByteArray overload to Q_WEAK_OVERLOAD to
avoid introducing ambiguities.

[ChangeLog][QtCore][QCborStreamWriter] Added a QByteArrayView overload
of append().

Change-Id: I3004bd691aca990cb67dfffde63b58bb378e3311
Reviewed-by: Ahmad Samir <a.samirh78@gmail.com>

src/corelib/compat/removed_api.cpp

@@ -1380,6 +1380,8 @@ QUuid::Version QUuid::version() const noexcept
 
 #if QT_CORE_REMOVED_SINCE(6, 10)
 
+#include "qcborstreamwriter.h"      // Q_WEAK_OVERLOAD added
+
 #include "qcoreapplication.h"
 
 #if QT_CONFIG(permissions)

src/corelib/serialization/qcborstreamwriter.cpp

@@ -397,6 +397,7 @@ void QCborStreamWriter::append(QCborNegativeInteger n)
 
 /*!
    \fn void QCborStreamWriter::append(const QByteArray &ba)
+   \fn void QCborStreamWriter::append(QByteArrayView ba)
    \overload
 
    Appends the byte array \a ba to the stream, creating a CBOR Byte String
@@ -411,6 +412,9 @@ void QCborStreamWriter::append(QCborNegativeInteger n)
    As the example shows, unlike JSON, CBOR requires no escaping for binary
    content.
 
+   \note The overload taking a \l QByteArrayView has been present since Qt
+   6.10.
+
    \sa appendByteString(), QCborStreamReader::isByteArray(),
        QCborStreamReader::readByteArray()
  */

src/corelib/serialization/qcborstreamwriter.h

@@ -42,7 +42,11 @@ public:
     void append(quint64 u);
     void append(qint64 i);
     void append(QCborNegativeInteger n);
+#if !QT_CORE_REMOVED_SINCE(6, 10)   // wasn't a template until 6.10
+    Q_WEAK_OVERLOAD
+#endif
     void append(const QByteArray &ba)       { appendByteString(ba.constData(), ba.size()); }
+    void append(QByteArrayView ba)          { appendByteString(ba.data(), ba.size()); }
     void append(QLatin1StringView str);
     void append(QStringView str);
     void append(QCborTag tag);