Add a "Moving" status filter

Because sometime (when your save and download path are on different drives, when your disk drive is super busy, ...) move operations can stack up, I add this "Moving" status filter so you can see in a blink of the eye which torrents are in a move state.

PR #17810.

src/base/bittorrent/torrent.h

@@ -222,6 +222,7 @@ namespace BitTorrent
         virtual bool isForced() const = 0;
         virtual bool isChecking() const = 0;
         virtual bool isDownloading() const = 0;
+        virtual bool isMoving() const = 0;
         virtual bool isUploading() const = 0;
         virtual bool isCompleted() const = 0;
         virtual bool isActive() const = 0;

src/base/bittorrent/torrentimpl.cpp

@@ -873,6 +873,11 @@ bool TorrentImpl::isDownloading() const
     return false;
 }
 
+bool TorrentImpl::isMoving() const
+{
+    return m_state == TorrentState::Moving;
+}
+
 bool TorrentImpl::isUploading() const
 {
     switch (m_state)

src/base/bittorrent/torrentimpl.h

@@ -145,6 +145,7 @@ namespace BitTorrent
         bool isForced() const override;
         bool isChecking() const override;
         bool isDownloading() const override;
+        bool isMoving() const override;
         bool isUploading() const override;
         bool isCompleted() const override;
         bool isActive() const override;