Group several torrent options into one dialog

Speed limits, share limits and the new options to disable DHT, PeX, LSD per torrent

src/base/unicodestrings.h

@@ -38,6 +38,7 @@
 // See issue #3059 for more details (https://github.com/qbittorrent/qBittorrent/issues/3059).
 
 const char C_COPYRIGHT[] = "©";
+const char C_INEQUALITY[] = "≠";
 const char C_INFINITY[] = "∞";
 const char C_NON_BREAKING_SPACE[] = " ";
 const char C_THIN_SPACE[] = " ";