Poll end (#1182)

- Adds an "End Poll" item in the action list long press menu.
  - Shows only on remote polls that have not ended yet and only if the user is the creator or has redact powers.

Closes https://github.com/vector-im/element-meta/issues/2026

features/poll/impl/src/main/kotlin/io/element/android/features/poll/impl/create/CreatePollView.kt

@@ -71,7 +71,7 @@ fun CreatePollView(
     val navBack = { state.eventSink(CreatePollEvents.ConfirmNavBack) }
     BackHandler(onBack = navBack)
     if (state.showConfirmation) ConfirmationDialog(
-        content = stringResource(id = R.string.screen_create_poll_confirmation),
+        content = stringResource(id = R.string.screen_create_poll_discard_confirmation),
         onSubmitClicked = { state.eventSink(CreatePollEvents.NavBack) },
         onDismiss = { state.eventSink(CreatePollEvents.HideConfirmation) }
     )

features/poll/impl/src/main/res/values/localazy.xml

@@ -4,7 +4,7 @@
   <string name="screen_create_poll_anonymous_desc">"Show results only after poll ends"</string>
   <string name="screen_create_poll_anonymous_headline">"Anonymous Poll"</string>
   <string name="screen_create_poll_answer_hint">"Option %1$d"</string>
-  <string name="screen_create_poll_confirmation">"Are you sure you would like to go back?"</string>
+  <string name="screen_create_poll_discard_confirmation">"Are you sure you would like to go back?"</string>
   <string name="screen_create_poll_question_desc">"Question or topic"</string>
   <string name="screen_create_poll_question_hint">"What is the poll about?"</string>
   <string name="screen_create_poll_title">"Create Poll"</string>