TDQ-9492 "view keys" and "view index" function in overview anlaysis get error. and "Connections" view will not show
https://jira.talendforge.org/browse/TDQ-9492
only filter the repository node when it is RepoViewCommonViewer
Merge branch '5.6'
Merge pull request #48 from xqliu-talend/master

 TDQ-9492 "view keys" and "view index" function in overview anlaysis