Modules diagram: fix bug in solveur target connection

src/app/components/modules-diagram/modules-diagram.component.ts

@@ -208,7 +208,7 @@ export class ModulesDiagramComponent implements AfterContentInit, AfterViewCheck
                     def.push(ntc.uid + "-->|" + reads + ":" + ntc.calculatedParam.symbol + "|" + nub.uid);
                 }
                 if (sp !== undefined) {
-                    def.push(nub.uid + "-->|" + finds + ":" + sp.symbol + "|" + sp.uid);
+                    def.push(nub.uid + "-->|" + finds + ":" + sp.symbol + "|" + sp.parentNub.uid);
                 }
             }
         }