Plex: Fix username/title selection

src/plex.py

@@ -126,7 +126,9 @@ def get_user_library_watched_show(show):
 
 def get_user_library_watched(user, user_plex, library):
     try:
-        user_name = user.title.lower()
+        user_name = user.username.lower()
+        if user_name == "":
+            user_name = user.title.lower()
         user_watched = {}
         user_watched[user_name] = {}
 
@@ -509,10 +511,14 @@ class Plex:
                         user_other = search_mapping(user_mapping, user)
 
                 for index, value in enumerate(self.users):
-                    if user.lower() == value.title.lower():
+                    username_title = value.username.lower()
+                    if username_title == "":
+                        username_title = value.title.lower()
+
+                    if user.lower() == username_title:
                         user = self.users[index]
                         break
-                    elif user_other and user_other.lower() == value.title.lower():
+                    elif user_other and user_other.lower() == username_title:
                         user = self.users[index]
                         break