add removal of tag header sorting in LV and Student verwaltung

public/js/components/LVVerwaltung/Setup/Table.js

@@ -306,6 +306,7 @@ export default {
 						headerFilterFuncParams: {field: 'tags'},
 						formatter: (cell, formatterParams, onRendered) => tagFormatter(cell, this.$refs.tagComponent, onRendered),
 						width: 150,
+						headerSort: false,
 					},
 					{
 						title: this.$p.t('lehre', 'lehrveranstaltung_id'),

public/js/components/Stv/Studentenverwaltung/List.js

@@ -961,6 +961,7 @@ export default {
         formatter: (cell, formatterParams, onRendered) =>
           tagFormatter(cell, this.$refs.tagComponent, onRendered),
         width: 150,
+        headerSort: false,
       };
       this.tabulatorOptions.columns.splice(2, 0, coltags);
       this.$p.loadCategory("ui").then(() => {