Include inactive keys from the dict schema when searching

Closes #14694
(grafted from fb1c66a12b6d1794b40983c4012ca4f3674381cb)

--HG--
branch : 7.0

trytond/trytond/model/dictschema.py

@@ -12,7 +12,7 @@ from trytond.pool import Pool
 from trytond.pyson import Eval, PYSONDecoder
 from trytond.rpc import RPC
 from trytond.tools import slugify
-from trytond.transaction import Transaction
+from trytond.transaction import Transaction, inactive_records
 
 
 class DomainError(ValidationError):
@@ -186,7 +186,8 @@ class DictSchemaMixin(object):
 
     @classmethod
     def search_get_keys(cls, domain, limit=None):
-        schemas = cls.search(domain, limit=limit)
+        with inactive_records():
+            schemas = cls.search(domain, limit=limit)
         return cls.get_keys(schemas)
 
     @classmethod