refactor: add AppButtonDefaults.transparentColors

Co-authored-by: Copilot <[email protected]>

Author: ovitrif

app/src/main/java/to/bitkit/ui/components/NumberPadActionButton.kt

@@ -43,10 +43,7 @@ fun NumberPadActionButton(
     if (enabled) {
         Button(
             onClick = onClick,
-            colors = AppButtonDefaults.primaryColors.copy(
-                containerColor = Color.Transparent,
-                disabledContainerColor = Color.Transparent
-            ),
+            colors = AppButtonDefaults.transparentColors,
             contentPadding = contentPadding,
             shape = buttonShape,
             modifier = modifier