Doc: viewing item hierarchy while debugging Qt Quick 2
Doc: viewing item hierarchy while debugging Qt Quick 2

When debugging Qt Quick 1, you right-click to open a
context menu, but for Qt Quick 2, it has been changed
to double-clicking to cycle through the item stack.

Task-number: QTCREATORBUG-13617
Change-Id: I3b36c76a54a24cbd102cd8ffa2bf5da2d12bef26
Reviewed-by: Kai Koehne <077bc265216106fb22408e62f2d97925ede69d10@theqtcompany.com>
Reviewed-by: Robert Loehning <1f928983f879a6fe326acd94487f754cc16e1fe4@theqtcompany.com>
Reviewed-by: Eike Ziller <c142da16c73a95a82d35191bcc55b22835617128@theqtcompany.com>

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