Show desktop radio subscription on the call icon and allow Android icon tint

tools/chatgui-android/app/src/main/java/com/utun/chat/ui/components/PortableRadioIcon.kt

@@ -8,6 +8,7 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.geometry.CornerRadius
 import androidx.compose.ui.geometry.Offset
 import androidx.compose.ui.geometry.Size
+import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.StrokeCap
 import androidx.compose.ui.graphics.drawscope.Stroke
 import androidx.compose.ui.semantics.contentDescription
@@ -16,8 +17,8 @@ import androidx.compose.ui.unit.dp
 
 /* Общая портативная рация для кнопки и списка участников; размер задаёт вызывающий. */
 @Composable
-fun PortableRadioIcon(label: String, modifier: Modifier = Modifier.size(24.dp)) {
-    val color = LocalContentColor.current
+fun PortableRadioIcon(label: String, modifier: Modifier = Modifier.size(24.dp), tint: Color = LocalContentColor.current) {
+    val color = tint
     Canvas(modifier.semantics { contentDescription = label }) {
         val unit = size.minDimension / 24f
         val stroke = 1.7f * unit