BIS-180 - openBIS AS becomes unresponsive when performing batch sample updates

...s/generic/server/dataaccess/db/DatabaseVersionHolder.java

...ic/server/dataaccess/db/DynamicPropertiesInterceptor.java

openbis/source/sql/generic/120/data-120.sql

openbis/source/sql/generic/120/schema-120.sql

openbis/source/sql/postgresql/120/domains-120.sql

openbis/source/sql/postgresql/120/function-120.sql

openbis/source/sql/postgresql/120/grants-120.sql

...bis/source/sql/postgresql/migration/migration-119-120.sql

openbis/sourceTest/sql/postgresql/120/.DUMP

...sourceTest/sql/postgresql/120/001=attachment_contents.tsv

openbis/sourceTest/sql/postgresql/120/002=attachments.tsv

...ceTest/sql/postgresql/120/005=controlled_vocabularies.tsv

...st/sql/postgresql/120/006=controlled_vocabulary_terms.tsv

openbis/sourceTest/sql/postgresql/120/008=data_all.tsv

...sourceTest/sql/postgresql/120/009=data_set_properties.tsv

...est/sql/postgresql/120/011=data_set_relationships_all.tsv

...t/sql/postgresql/120/013=data_set_type_property_types.tsv

openbis/sourceTest/sql/postgresql/120/014=data_set_types.tsv

openbis/sourceTest/sql/postgresql/120/017=data_stores.tsv

openbis/sourceTest/sql/postgresql/120/018=data_types.tsv