Fix OutlineButton disabled state

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

@@ -60,6 +60,8 @@ const val oceanLight7 = 0xffFCFFFF
 val session_accent = Color(0xFF31F196)
 val ocean_accent = Color(0xff57C9FA)
 
+val Colors.disabled @Composable get() = onSurface.copy(alpha = ContentAlpha.disabled)
+
 val oceanLights = arrayOf(oceanLight0, oceanLight1, oceanLight2, oceanLight3, oceanLight4, oceanLight5, oceanLight6, oceanLight7)
 val oceanDarks = arrayOf(oceanDark0, oceanDark1, oceanDark2, oceanDark3, oceanDark4, oceanDark5, oceanDark6, oceanDark7)
 val classicLights = arrayOf(classicLight0, classicLight1, classicLight2, classicLight3, classicLight4, classicLight5, classicLight6)

app/src/main/java/org/thoughtcrime/securesms/ui/components/Button.kt

@@ -47,6 +47,7 @@ import org.thoughtcrime.securesms.ui.LocalButtonColor
 import org.thoughtcrime.securesms.ui.baseBold
 import org.thoughtcrime.securesms.ui.colorDestructive
 import org.thoughtcrime.securesms.ui.contentDescription
+import org.thoughtcrime.securesms.ui.disabled
 import org.thoughtcrime.securesms.ui.extraSmall
 
 val LocalButtonSize = staticCompositionLocalOf { mediumButton }
@@ -103,7 +104,7 @@ fun OutlineButton(
         enabled = enabled,
         interactionSource = interactionSource,
         onClick = onClick,
-        border = BorderStroke(1.dp, LocalButtonColor.current),
+        border = BorderStroke(1.dp, if (enabled) LocalButtonColor.current else MaterialTheme.colors.disabled),
         colors = ButtonDefaults.outlinedButtonColors(
             contentColor = if (enabled) LocalButtonColor.current else Color.Unspecified,
             backgroundColor = Color.Unspecified