Fix rrest typo in history detail

There is a misspelling of rrset throughout the history logic, which also
effects the json payload in the database. Code-wise this is a simple
search-and-replace, and the migration will fix the payloads.

migrations/versions/6ea7dc05f496_fix_typo_in_history_detail.py

@@ -0,0 +1,46 @@
+"""Fix typo in history detail
+
+Revision ID: 6ea7dc05f496
+Revises: fbc7cf864b24
+Create Date: 2022-05-10 10:16:58.784497
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '6ea7dc05f496'
+down_revision = 'fbc7cf864b24'
+branch_labels = None
+depends_on = None
+
+history_table = sa.sql.table('history',
+                             sa.Column('detail', sa.Text),
+                             )
+
+
+def upgrade():
+    op.execute(
+        history_table.update()
+            .where(history_table.c.detail.like('%"add_rrests":%'))
+            .values({
+                'detail': sa.func.replace(
+                                sa.func.replace(history_table.c.detail, '"add_rrests":', '"add_rrsets":'),
+                                '"del_rrests":', '"del_rrsets":'
+                          )
+            })
+    )
+
+
+def downgrade():
+    op.execute(
+        history_table.update()
+            .where(history_table.c.detail.like('%"add_rrsets":%'))
+            .values({
+                'detail': sa.func.replace(
+                                sa.func.replace(history_table.c.detail, '"add_rrsets":', '"add_rrests":'),
+                                '"del_rrsets":', '"del_rrests":'
+                          )
+            })
+    )