made declined projects read only

input/admin.py

@@ -86,7 +86,7 @@ class ProjectAdminForm(BaseProjectForm):
         super().__init__(*args, **kwargs)
 
         for field, model in self.categories.items():
-            if self.initial[f'{field}_other']:
+            if self.initial.get(f'{field}_other'):
                 self.initial[field] = [*self.initial[field], model.other]
 
     def clean(self):
@@ -195,6 +195,12 @@ class ProjectRequestAdmin(BaseProjectAdmin):
 class ProjectDeclinedAdmin(BaseProjectAdmin):
     granted = False
 
+    def has_add_permission(self, request):
+        return False
+
+    def has_change_permission(self, request, obj=None):
+        return False
+
 
 @admin.register(BusinessCard)
 class BusinessCardAdmin(RequestURLBeforeInternNotesMixin, admin.ModelAdmin):