Fix following bug: - In the upper right corner of each graph, click the middle icon and select Hide All Samples, graph is empty => OK - In the upper right corner of the same graph, click the middle icon and select Display All Samples, graph remaing empty => KO
Fix following bug:
- In the upper right corner of each graph, click the middle icon and select Hide All Samples, graph is empty => OK
- In the upper right corner of the same graph, click the middle icon and select Display All Samples, graph remaing empty => KO

git-svn-id: 5ccfe34f605a6c2f9041ff2965ab60012c62539a@1737530 13f79535-47bb-0310-9956-ffa450edef68

max3163/jmeter,ubikloadpack/jmeter,max3163/jmeter,ubikloadpack/jmeter,etnetera/jmeter,ra0077/jmeter,ra0077/jmeter,ra0077/jmeter,vherilier/jmeter,ubikloadpack/jmeter,vherilier/jmeter,ra0077/jmeter,vherilier/jmeter,etnetera/jmeter,vherilier/jmeter,etnetera/jmeter,etnetera/jmeter,max3163/jmeter,etnetera/jmeter,max3163/jmeter,ubikloadpack/jmeter