Update bad calculation of content size for stories collection.

app/src/main/java/org/thoughtcrime/securesms/contacts/paged/collections/ContactSearchCollection.kt

@@ -16,7 +16,7 @@ open class ContactSearchCollection<ContactRecord>(
   private val activeContactCount: Int
 ) {
 
-  private val contentSize: Int = if (recordPredicate != null) {
+  protected open val contentSize: Int = if (recordPredicate != null) {
     records.asSequence().filter(recordPredicate).count()
   } else {
     records.getCount()

app/src/main/java/org/thoughtcrime/securesms/contacts/paged/collections/StoriesSearchCollection.kt

@@ -14,6 +14,7 @@ class StoriesSearchCollection<ContactRecord>(
   activeContactCount: Int,
   private val storyComparator: Comparator<ContactSearchData.Story>
 ) : ContactSearchCollection<ContactRecord>(section, records, null, recordMapper, activeContactCount) {
+
   private val aggregateStoryData: List<ContactSearchData.Story> by lazy {
     if (section !is ContactSearchConfiguration.Section.Stories) {
       error("Aggregate data creation is only necessary for stories.")
@@ -24,6 +25,8 @@ class StoriesSearchCollection<ContactRecord>(
     (cursorContacts + extraData).filterIsInstance(ContactSearchData.Story::class.java).sortedWith(storyComparator)
   }
 
+  override val contentSize: Int = records.getCount() + extraData.size
+
   override fun getItemAtCorrectedIndex(correctedIndex: Int): ContactSearchData {
     return aggregateStoryData[correctedIndex]
   }