feat: Update typing indicator color to a custom blue for improved visibility

app/src/main/java/com/rosetta/messenger/ui/chats/ChatDetailScreen.kt

@@ -1909,6 +1909,7 @@ private fun MessageInputBar(
 @Composable
 fun TypingIndicator(isDarkTheme: Boolean) {
     val infiniteTransition = rememberInfiniteTransition(label = "typing")
+    val typingColor = Color(0xFF54A9EB) // Голубой цвет
     
     Row(
         verticalAlignment = Alignment.CenterVertically,
@@ -1917,7 +1918,7 @@ fun TypingIndicator(isDarkTheme: Boolean) {
         Text(
             text = "typing",
             fontSize = 13.sp,
-            color = Color(0xFF38B24D) // Зелёный цвет как в Telegram
+            color = typingColor
         )
         
         // 3 анимированные точки
@@ -1939,7 +1940,7 @@ fun TypingIndicator(isDarkTheme: Boolean) {
             Text(
                 text = ".",
                 fontSize = 13.sp,
-                color = Color(0xFF38B24D),
+                color = typingColor,
                 modifier = Modifier.offset(y = offsetY.dp)
             )
         }