fix adding of "cluster box" after new cluster is defined

in all-cluster view
fix problems in all-cluster view

fix exceptions like:
java.lang.NullPointerException
null
lcmc.gui.resources.AllHostsInfo.allCheckboxesListener(AllHostsInfo.java:704)
lcmc.gui.resources.AllHostsInfo.access$1000(AllHostsInfo.java:73)
lcmc.gui.resources.AllHostsInfo$11$1.run(AllHostsInfo.java:618)

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java.lang.NullPointerException
null
lcmc.gui.resources.AllHostsInfo.loadMarkedClusters(AllHostsInfo.java:639)
lcmc.gui.resources.AllHostsInfo.access$700(AllHostsInfo.java:73)
lcmc.gui.resources.AllHostsInfo$2$1.run(AllHostsInfo.java:257)
add index to the cluster name when starting from quick cluster box