Create template_redacted entry for templates created by migration

So that we can edit those templates

migrations/versions/0296_template_redacted_fix.py

@@ -0,0 +1,26 @@
+"""
+
+Revision ID: 0296_template_redacted_fix
+Revises: 0295_api_key_constraint
+Create Date: 2019-06-07 17:02:14.350064
+
+"""
+from alembic import op
+
+
+revision = '0296_template_redacted_fix'
+down_revision = '0295_api_key_constraint'
+
+
+def upgrade():
+    op.execute("""
+        INSERT INTO template_redacted (template_id, redact_personalisation, updated_at, updated_by_id)
+        SELECT templates.id, FALSE, now(), templates.created_by_id
+        FROM templates
+        WHERE templates.id NOT IN (SELECT template_id FROM template_redacted WHERE template_id = templates.id)
+        ;
+    """)
+
+
+def downgrade():
+    pass