chore: update source location strings english (#2602)

app/src/main/res/values/strings.xml

@@ -624,8 +624,8 @@
     <string name="label_system_message_conversation_failed_add_members_summary">%1$s **participants** could not be added to the group.</string>
     <string name="label_system_message_conversation_failed_add_many_members_details">%1$s could not be added to the group.</string>
     <string name="label_system_message_conversation_failed_add_one_member_details">%1$s could not be added to the group.</string>
-    <string name="label_system_message_conversation_degraded_mls">This conversation is no longer verified, as some user uses at least one device without a valid end-to-end identity certificate.</string>
-    <string name="label_system_message_conversation_degraded_proteus">This conversation is no longer verified, as some user uses at least one device without a valid end-to-end identity certificate.</string>
+    <string name="label_system_message_conversation_degraded_mls">This conversation is no longer verified, as at least one participant started using a new device or has an invalid certificate.</string>
+    <string name="label_system_message_conversation_degraded_proteus">This conversation is no longer verified, as at least one participant started using a new device or has an invalid certificate.</string>
     <string name="label_system_message_conversation_verified_mls">All devices are verified (end-to-end identity)</string>
     <string name="label_system_message_conversation_verified_proteus">All fingerprints are verified (Proteus)</string>
     <string name="label_system_message_conversation_started_sensitive_information">Communication in Wire is always end-to-end encrypted. Everything you send and receive in this conversation is only accessible to you and other group participants.\n**Please still be careful with who you share sensitive information.**</string>
@@ -727,8 +727,8 @@
     <string name="label_conversation_media">Media</string>
     <string name="label_conversation_pictures">Pictures</string>
     <string name="label_conversation_files">Files</string>
-    <string name="label_conversation_pictures_empty">No pictures have been shared in this conversation yet 🥲</string>
-    <string name="label_conversation_files_empty">No files have been shared in this conversation yet 🙀</string>
+    <string name="label_conversation_pictures_empty">Nobody shared pictures in this conversation yet 🥲</string>
+    <string name="label_conversation_files_empty">Nobody shared files in this conversation yet 🙀</string>
     <!-- Search Contact-->
     <string name="label_contacts">CONTACTS</string>
     <string name="label_new_group">New Group</string>