Migrations + Cleanup

* adds needed migrations
* refactors forms.py (700+ lines) in main konova app
    * splits into forms/ and forms/modals and single class/topic-files for better maintainability and overview
* fixes bug in main konova app migration which could occur if a certain compensation migration did not run before

ema/forms.py

@@ -5,8 +5,6 @@ Contact: michel.peltriaux@sgdnord.rlp.de
 Created on: 06.10.21
 
 """
-from dal import autocomplete
-from django import forms
 from user.models import User
 from django.db import transaction
 from django.urls import reverse, reverse_lazy
@@ -16,7 +14,8 @@ from compensation.forms.forms import AbstractCompensationForm, CompensationRespo
     PikCompensationFormMixin
 from ema.models import Ema, EmaDocument
 from intervention.models import Responsibility, Handler
-from konova.forms import SimpleGeomForm, NewDocumentModalForm
+from konova.forms import SimpleGeomForm
+from konova.forms.modals import NewDocumentModalForm
 from user.models import UserActionLogEntry