Merge pull request #3759 from ritzalam/fix-get-recordings-api

.../src/main/java/org/bigbluebutton/api/domain/Breakout.java

.../java/org/bigbluebutton/api/domain/RecordingMetadata.java

...g/bigbluebutton/api/domain/RecordingMetadataPlayback.java

...bigbluebutton/api/util/RecordingMetadataReaderHelper.java

...main/java/org/bigbluebutton/api/util/ResponseBuilder.java

bbb-common-web/src/test/resources/get-recordings.ftl

bbb-common-web/src/test/resources/include-recording.ftl

...cala/org/bigbluebutton/api/util/ResponseBuilderTest.scala

...ebutton-web/web-app/WEB-INF/freemarker/get-recordings.ftl

...tton-web/web-app/WEB-INF/freemarker/include-recording.ftl