fix translating polls and spoilers (#4344)

The docs are wrong https://github.com/mastodon/documentation/pull/1423 🙄

app/src/main/java/com/keylesspalace/tusky/entity/Translation.kt

@@ -14,12 +14,20 @@ data class MediaTranslation(
  */
 data class Translation(
     val content: String,
-    @SerializedName("spoiler_warning")
-    val spoilerWarning: String?,
-    val poll: List<String>?,
+    @SerializedName("spoiler_text")
+    val spoilerText: String?,
+    val poll: TranslatedPoll?,
     @SerializedName("media_attachments")
     val mediaAttachments: List<MediaTranslation>,
     @SerializedName("detected_source_language")
     val detectedSourceLanguage: String,
     val provider: String,
 )
+
+data class TranslatedPoll(
+    val options: List<TranslatedPollOption>
+)
+
+data class TranslatedPollOption(
+    val title: String
+)

app/src/main/java/com/keylesspalace/tusky/viewdata/StatusViewData.kt

@@ -67,10 +67,12 @@ sealed class StatusViewData {
             actionable.attachments.translated { translation -> map { it.translated(translation) } }
 
         val spoilerText: String =
-            actionable.spoilerText.translated { translation -> translation.spoilerWarning ?: this }
+            actionable.spoilerText.translated { translation -> translation.spoilerText ?: this }
 
         val poll = actionable.poll?.translated { translation ->
-            val translatedOptionsText = translation.poll ?: return@translated this
+            val translatedOptionsText = translation.poll?.options?.map { option ->
+                option.title
+            } ?: return@translated this
             val translatedOptions = options.zip(translatedOptionsText) { option, translatedText ->
                 option.copy(title = translatedText)
             }