Improved visibility of Main screen From from field and Account screen

SIP URI field

app/src/main/kotlin/com/tutpro/baresip/AccountScreen.kt

@@ -30,6 +30,7 @@ import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.OutlinedTextFieldDefaults
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Switch
 import androidx.compose.material3.Text
@@ -237,7 +238,14 @@ private fun AccountContent(
                 textStyle = TextStyle(fontSize = 18.sp),
                 label = {
                     Text(text = stringResource(R.string.sip_uri), fontWeight = FontWeight.Bold)
-                }
+                },
+                colors = OutlinedTextFieldDefaults.colors(
+                    disabledTextColor = MaterialTheme.colorScheme.onSurface,
+                    disabledBorderColor = MaterialTheme.colorScheme.outline,
+                    disabledLeadingIconColor = MaterialTheme.colorScheme.onSurfaceVariant,
+                    disabledTrailingIconColor = MaterialTheme.colorScheme.onSurfaceVariant,
+                    disabledLabelColor = MaterialTheme.colorScheme.onSurfaceVariant,
+                )
             )
         }
     }

app/src/main/kotlin/com/tutpro/baresip/MainScreen.kt

@@ -1141,12 +1141,8 @@ private fun CallUriRow(ctx: Context, viewModel: ViewModel) {
         ) {
             OutlinedTextField(
                 value = callUri.value,
-                enabled = callUriEnabled.value,
+                readOnly = !callUriEnabled.value,
                 singleLine = true,
-                //colors = OutlinedTextFieldDefaults.colors(
-                //    focusedBorderColor = MaterialTheme.colorScheme.primary,
-                //    unfocusedBorderColor = MaterialTheme.colorScheme.outline,
-                //),
                 onValueChange = {
                     if (it != callUri.value) {
                         callUri.value = it