slightly change the sequence diagram for threading scenario

thesis/images/sequenzdiagramm-waitoncompletion.xml

@@ -1,4 +1,4 @@
-<mxfile host="app.diagrams.net" modified="2024-01-18T16:52:07.664Z" agent="Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36" etag="amrg-pTHBEpKrWOlSLRH" version="22.1.21" type="device">
+<mxfile host="app.diagrams.net" modified="2024-01-18T21:26:53.826Z" agent="Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36" etag="uNKt7MdIXyQkYKxYx6Fo" version="22.1.21" type="device">
   <diagram name="Page-1" id="2YBvvXClWsGukQMizWep">
     <mxGraphModel dx="1533" dy="382" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="850" pageHeight="1100" math="0" shadow="0">
       <root>
@@ -41,7 +41,7 @@
           <mxGeometry x="460" y="40" width="100" height="300" as="geometry" />
         </mxCell>
         <mxCell id="RjI6kM-8N4aADmqfwwHL-4" value="" style="html=1;points=[];perimeter=orthogonalPerimeter;outlineConnect=0;targetShapes=umlLifeline;portConstraint=eastwest;newEdgeStyle={&quot;edgeStyle&quot;:&quot;elbowEdgeStyle&quot;,&quot;elbow&quot;:&quot;vertical&quot;,&quot;curved&quot;:0,&quot;rounded&quot;:0};" vertex="1" parent="RjI6kM-8N4aADmqfwwHL-3">
-          <mxGeometry x="45" y="80" width="10" height="150" as="geometry" />
+          <mxGeometry x="45" y="140" width="10" height="80" as="geometry" />
         </mxCell>
         <mxCell id="RjI6kM-8N4aADmqfwwHL-5" value="WaitOnCompletion" style="html=1;verticalAlign=bottom;endArrow=classicThin;edgeStyle=elbowEdgeStyle;elbow=vertical;curved=0;rounded=0;endFill=1;" edge="1" parent="1" source="RjI6kM-8N4aADmqfwwHL-2" target="aM9ryv3xv72pqoxQDRHE-2">
           <mxGeometry relative="1" as="geometry">