Revert "Change string "Load" to "See""

This reverts commit 7a0765c1c2.

res/layout/load_more_header.xml

@@ -5,5 +5,5 @@
         android:layout_gravity="center"
         android:background="?conversation_item_bubble_background"
         android:textColor="?conversation_item_sent_text_primary_color"
-        android:text="@string/load_more_header__see_full_conversation" />
+        android:text="@string/load_more_header__load_full_conversation" />
 

res/values/strings.xml

@@ -639,7 +639,7 @@
         Import a plaintext backup file. Compatible with \'SMSBackup And Restore.\'</string>
 
     <!-- load_more_header -->
-    <string name="load_more_header__see_full_conversation">See full conversation</string>
+    <string name="load_more_header__load_full_conversation">Load full conversation...</string>
 
     <!-- media_overview_activity -->
     <string name="media_overview_activity__no_images">No images</string>