[graph] fix updateGraph function so that labels are rendered properly

This was visible in the screenshot, where forceAtlas is not started
initially and there were no labels, even though the setting was correct.

src/Gargantext/Components/GraphExplorer/Resources.purs

@@ -216,6 +216,9 @@ drawGraphCpt = here.component "drawGraph" cpt
                   , edgeWeight: edgeWeight'
                   , showEdges: showEdges'
                   }
+                -- #512 make sure labels are rendered according to forceAtlasState
+                let renderLabels = SigmaxTypes.forceAtlasLabelState forceAtlasState'
+                Sigma.setSettings sigma { renderLabels }
 
           -- TODO This is a temporary solution that seems to fix
           -- blank page of graph when there are too many edges. It