TEIS-2086: functionality for accepting GET extract to file requests for proceeding messages, fixed test and path variable data type

Resolve TEIS-2073

Closes TEIS-2073

See merge request teis/common-api-gateway!198

TEIS-2063: added functionality for accepting GET tasks count requests

Closes TEIS-2063

See merge request teis/common-api-gateway!197

TEIS-2041: added missing USE_METRICS: "true" configuration parameter for services and gateways, which use Prometheus monitoring

TEIS-2041: temporarily disabled integration test which fails only in DEV environment Gitlab pipeline

TEIS-2041: moved MockMvcUtil to common api gateway due to MockMvc bean autowiring via MockMvcUtil problems; disabled commons library MockMvcUtil as a bean

TEIS-2041: MockMvc usage example to make gateway controller tests more useful

See merge request teis/common-api-gateway!196

TEIS-2072: Functionality update for POST/PUT tasks/action-plans request parameter deadline data type

TEIS-2072: GET tasks/action-plans request parameters deadlineFrom and deadlineUntil are now Date instead of DateTime format

TEIS-2041: GET tasks/action-plans request parameters completedAtFrom and completedAtUntil are now Date instead of DateTime format

TEIS-2041: GET tasks/action-plans request parameters deadlineFrom and deadlineUntil are now Date instead of DateTime format

TEIS-2041: GET tasks/action-plans request parameters completedAtFrom and completedAtUntil are now Date instead of DateTime format

File ref access controller uuid

See merge request teis/common-api-gateway!194

Resolve TEIS-1961

Closes TEIS-1961

See merge request teis/common-api-gateway!193

Resolve TEIS-1959

Closes TEIS-1959

See merge request teis/common-api-gateway!192

Updated Minio client dependency to latest version; Code refactor due to MinioClient SDK breaking changes

TEIS-2027: moved files-client-lib from files-service to commons project and...

Closes TEIS-2027

See merge request teis/common-api-gateway!191