UTF-8 char limit check

Author: ThomasSession

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/ConversationViewModel.kt

@@ -1426,7 +1426,7 @@ class ConversationViewModel(
     fun onTextChanged(text: CharSequence) {
         // check the character limit
         val maxChars = proStatusManager.getCharacterLimit()
-        val charsLeft = maxChars - text.length
+        val charsLeft = maxChars - text.toString().toByteArray(Charsets.UTF_8).size // using utf-8 to match libsession and iOS
 
         // update the char limit state based on characters left
         val charLimitState = if(charsLeft <= CHARACTER_LIMIT_THRESHOLD){

app/src/main/java/org/thoughtcrime/securesms/ui/Modifiers.kt

@@ -201,7 +201,7 @@ fun Modifier.verticalScrollbar(
  */
 fun Modifier.shimmerOverlay(
     color: Color = Color.White.copy(alpha = 0.0f),
-    highlightColor: Color = Color.White.copy(alpha = 0.6f),
+    highlightColor: Color = Color.White.copy(alpha = 0.4f),
     animationDuration: Int = 1200,
     delayBetweenCycles: Int = 3000,
     initialDelay: Int = 0