#7 New forms

* introduces bootstrap class form-control for proper html form input rendering
* fixes bug where missing shared users for an entry resulted in a None exception
* adds GenerateInput with template in generate-content-input.html, which provides a generate button for fetching server-side content
* adds/updates translations

compensation/tables.py

@@ -5,6 +5,7 @@ Contact: michel.peltriaux@sgdnord.rlp.de
 Created on: 01.12.20
 
 """
+from django.contrib.auth.models import User
 from django.http import HttpRequest
 from django.template.loader import render_to_string
 from django.urls import reverse
@@ -148,6 +149,8 @@ class CompensationTable(BaseTable):
 
         """
         html = ""
+        if value is None:
+            value = User.objects.none()
         has_access = value.filter(
             username=self.user.username
         ).exists()