Fixed forced cursor instance as first conn

When the first db cursor made would be a forced cursor (`cursor(force_new=True)`), it would also become the default cursor. This lead mostly to Search All not going past one volume.

backend/internals/db.py

@@ -125,7 +125,12 @@ def cursor( # type: ignore
         if not hasattr(g, 'cursors'):
             g.cursors = []
 
-        if not force_new and g.cursors:
+        if not g.cursors:
+            c = KapowarrCursor(self)
+            c.row_factory = Row
+            g.cursors.append(c)
+
+        if not force_new:
             return g.cursors[0]
         else:
             c = KapowarrCursor(self)