Remove command fitting from the command fits context menu upon deletion (#1244)

eos/db/migrations/upgrade26.py

@@ -0,0 +1,11 @@
+"""
+Migration 26
+
+- Deletes invalid command fit relationships caused by a bug (see #1244)
+"""
+
+import sqlalchemy
+
+
+def upgrade(saveddata_engine):
+    saveddata_engine.execute("DELETE FROM commandFits WHERE boosterID NOT IN (SELECT ID FROM fits) OR boostedID NOT IN (SELECT ID FROM fits)")