Allow simultaneous stream publication and radio in Android UI

tools/chatgui-android/app/src/main/java/com/utun/chat/data/StreamController.kt

@@ -39,8 +39,8 @@ object StreamController {
         if (mutable.value?.ongoing == true) { LogManager.addLog("WARN", "stream", "publisher already owned"); return }
         val id = nextId()
         if (!NativeLib.isReady() || group == 0L || CallController.state.value?.ongoing == true ||
-            RadioAudioEngine.instance().isActive() || NativeLib.voiceIsActive()) {
-            LogManager.addLog("WARN", "stream", "start rejected: core/call/radio/voice busy group=$group")
+            NativeLib.voiceIsActive()) {
+            LogManager.addLog("WARN", "stream", "start rejected: core/call/voice busy group=$group")
             mutable.value = StreamState(id, group, StreamPhase.FAILED, R.string.stream_resources_busy); return
         }
         capturing = true; mutable.value = StreamState(id, group, StreamPhase.STARTING, pendingConfig = config)
@@ -119,7 +119,7 @@ object StreamController {
         }
     }
 
-    /** Звонок/рация/голосовое не отбирают микрофон у foreground-трансляции. */
+    /** Звонок/голосовое не отбирают микрофон у foreground-трансляции; рация использует общий захват. */
     fun blocksCapture(): Boolean {
         if (!capturing) return false
         LogManager.addLog("WARN", "stream", "microphone/camera owned by stream id=${mutable.value?.id}")

tools/chatgui-android/app/src/main/java/com/utun/chat/viewmodel/ChatViewModel.kt

@@ -944,7 +944,6 @@ class ChatViewModel : ViewModel() {
         val groupId = ch.id.toULongOrNull()?.toLong() ?: return
         val wasOnHere = radioChannelId == ch.id
         val next = !wasOnHere
-        if (next && com.utun.chat.data.StreamController.blocksCapture()) return
         radioToggleCount++
         val caller = Throwable().stackTrace.drop(1).take(8)
             .joinToString(" <- ") { "${it.className.substringAfterLast('.')}.${it.methodName}:${it.lineNumber}" }