Add LAN video casting (Chromecast on play, DLNA on both flavors) v1

fix(cast): handle every Chromecast session terminal state and HLS mime hint
fix(cast): repair DLNA Res ctor and add play-only protocol toggle
fix(cast): backfill Cast button for accounts with pre-existing video settings
fix(cast): include cast glyphs in symbol font subset and add diagnostic logs
fix(cast): wire jUPnP's required Jetty deps and survive dialog dismissal
fix(cast): add jetty-client so jUPnP can issue UPnP control requests

commons/src/commonMain/kotlin/com/vitorpamplona/amethyst/commons/icons/symbols/MaterialSymbols.kt

@@ -55,6 +55,8 @@ object MaterialSymbols {
     val CameraFront = MaterialSymbol("\uF2C9")
     val CameraRear = MaterialSymbol("\uF2C8")
     val Cancel = MaterialSymbol("\uE888")
+    val Cast = MaterialSymbol("\uE307")
+    val CastConnected = MaterialSymbol("\uE308")
     val CellTower = MaterialSymbol("\uEBBA")
     val Chat = MaterialSymbol("\uE0C9")
     val Check = MaterialSymbol("\uE5CA")