RS Posts: Deduplicate status-to-label mapping

Reuse the shared toLabel() extension in formatStatusLabel() instead
of duplicating the PostStatus-to-string-resource mapping.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: nbradbury

WordPress/src/main/java/org/wordpress/android/ui/postsrs/PostRsListUiState.kt

@@ -194,7 +194,7 @@ private fun FullEntityAnyPostWithEditContext.toUiModel(
 }
 
 @StringRes
-private fun PostStatus?.toLabel(): Int = when (this) {
+internal fun PostStatus?.toLabel(): Int = when (this) {
     is PostStatus.Publish ->
         R.string.post_status_post_published
     is PostStatus.Draft -> R.string.post_status_draft

WordPress/src/main/java/org/wordpress/android/ui/postsrs/PostRsSettingsViewModel.kt

@@ -354,21 +354,12 @@ class PostRsSettingsViewModel @Inject constructor(
     }
 
     private fun formatStatusLabel(status: PostStatus?): String {
-        val resId = when (status) {
-            is PostStatus.Publish ->
-                R.string.post_status_post_published
-            is PostStatus.Draft -> R.string.post_status_draft
-            is PostStatus.Pending ->
-                R.string.post_status_pending_review
-            is PostStatus.Private ->
-                R.string.post_status_post_private
-            is PostStatus.Future ->
-                R.string.post_status_post_scheduled
-            is PostStatus.Trash ->
-                R.string.post_status_post_trashed
-            else -> return ""
+        val resId = status.toLabel()
+        return if (resId != 0) {
+            resourceProvider.getString(resId)
+        } else {
+            ""
         }
-        return resourceProvider.getString(resId)
     }
 
     private fun formatDate(dateGmt: Date): String {