merged origin/2021.2.2 into observation_bugfixes

.liquibase/Data_alias/basic/2021.2.0/changelog.xml

.liquibase/Data_alias/basic/2021.2.2/BulkMail/changelog.xml

.../2021.2.2/BulkMail/insertBulkMailSenderAddressKeyword.xml

...uibase/Data_alias/basic/2021.2.2/Mailbridge/changelog.xml

...basic/2021.2.2/Mailbridge/insert_InboxFilterComponent.xml

.liquibase/Data_alias/basic/2021.2.2/Offer/changelog.xml

...s/basic/2021.2.2/Offer/update_OfferSetZeroProbability.xml

...base/Data_alias/basic/2021.2.2/OfferOrder/alter_offer.xml

...base/Data_alias/basic/2021.2.2/OfferOrder/alter_order.xml

...uibase/Data_alias/basic/2021.2.2/OfferOrder/changelog.xml

.liquibase/Data_alias/basic/2021.2.2/Offeritem/changelog.xml

...ic/2021.2.2/Offeritem/update_OfferitemSetZeroDiscount.xml

...se/Data_alias/basic/2021.2.2/Salesorderitem/changelog.xml

...2/Salesorderitem/update_SalesorderitemSetZeroDiscount.xml

...base/Data_alias/basic/2021.2.2/Salesproject/changelog.xml

....2/Salesproject/update_SalesprojectSetZeroProbability.xml

....2/StandardColumns/add_employeegroup_contact_relation.xml

...basic/2021.2.2/StandardColumns/add_employeegroup_rule.xml

.../StandardColumns/add_employeegroup_rulegroup_relation.xml

...e/Data_alias/basic/2021.2.2/StandardColumns/add_inbox.xml