Enable aliases for views

dbrepo-metadata-db/setup-schema.sql

.../at/tuwien/api/database/table/columns/ColumnBriefDto.java

.../java/at/tuwien/api/database/table/columns/ColumnDto.java

...t/tuwien/entities/database/table/columns/TableColumn.java

...ositories/src/main/java/at/tuwien/mapper/QueryMapper.java

...t/tuwien/repository/ViewIdxRepositoryIntegrationTest.java

...a/at/tuwien/service/IdentifierServiceIntegrationTest.java

...t/java/at/tuwien/service/QueryServiceIntegrationTest.java

...st/java/at/tuwien/service/ViewServiceIntegrationTest.java

...ce/rest-service/src/test/resources/application.properties

...rc/main/java/at/tuwien/service/impl/QueryServiceImpl.java

...a-service/test/src/main/java/at/tuwien/test/BaseTest.java

dbrepo-ui/components/query/Results.vue