Fix display name length

app/src/main/java/org/thoughtcrime/securesms/onboarding/pickname/PickDisplayNameViewModel.kt

@@ -44,8 +44,10 @@ internal class PickDisplayNameViewModel(
 
         when {
             displayName.isEmpty() -> { _states.update { it.copy(isTextErrorColor = true, error = R.string.displayNameErrorDescription) } }
-            displayName.length > NAME_PADDED_LENGTH -> { _states.update { it.copy(isTextErrorColor = true, error = R.string.displayNameErrorDescriptionShorter) } }
+            displayName.toByteArray().size > NAME_PADDED_LENGTH -> { _states.update { it.copy(isTextErrorColor = true, error = R.string.displayNameErrorDescriptionShorter) } }
             else -> {
+                _states.update { it.copy(isTextErrorColor = false, error = null) }
+
                 prefs.setProfileName(displayName)
 
                 if (!loadFailed) {

app/src/main/java/org/thoughtcrime/securesms/preferences/SettingsActivity.kt

@@ -308,7 +308,7 @@ class SettingsActivity : PassphraseRequiredActionBarActivity() {
             Toast.makeText(this, R.string.activity_settings_display_name_missing_error, Toast.LENGTH_SHORT).show()
             return false
         }
-        if (displayName.toByteArray().size > ProfileManagerProtocol.Companion.NAME_PADDED_LENGTH) {
+        if (displayName.toByteArray().size > ProfileManagerProtocol.NAME_PADDED_LENGTH) {
             Toast.makeText(this, R.string.activity_settings_display_name_too_long_error, Toast.LENGTH_SHORT).show()
             return false
         }