added BUG-120, somehow losing pref info. No prints are working in PROD, so changed a lot of printf( in the F/E to SetFELog with error and persistent/cant_close set across many files. Also used opportunity to remove a few unnecessary debugs

BUGs

@@ -1,4 +1,4 @@
-### Next: 120
+### Next: 121
 BUG-100: I managed to get 2 photos matching mich in the NOT_WORKING photo (probably dif refimgs but same p.tag?)
     = /photos/2012/20120414-damien/IMG_8467.JPG
 BUG-106: cant add trudy /pat? as refimgs via FaceDBox
@@ -10,3 +10,21 @@ BUG-119: "Uncaught (in promise) Error: A listener indicated an asynchronous
             response by returning true, but the message channel closed before a response
             was received"
             investigate this (possible I'm calling check_for_jobs and maybe not doing the async right?)
+
+BUG-120: on tablet:
+[2023-04-09 12:21:21,214] ERROR in app: Exception on /view/16978 [GET]
+Traceback (most recent call last):
+  File "/usr/local/lib/python3.10/dist-packages/flask/app.py", line 2525, in wsgi_app
+    response = self.full_dispatch_request()
+  File "/usr/local/lib/python3.10/dist-packages/flask/app.py", line 1822, in full_dispatch_request
+    rv = self.handle_user_exception(e)
+  File "/usr/local/lib/python3.10/dist-packages/flask/app.py", line 1820, in full_dispatch_request
+    rv = self.dispatch_request()
+  File "/usr/local/lib/python3.10/dist-packages/flask/app.py", line 1796, in dispatch_request
+    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
+  File "/code/files.py", line 655, in view
+    OPT=States( request )
+  File "/code/states.py", line 92, in __init__
+    self.url = pref.orig_url
+AttributeError: 'NoneType' object has no attribute 'orig_url'
+