[JENKINS-60866][JENKINS-71513] Adapt to st:bind change (#830)

Co-authored-by: Daniel Beck <daniel-beck@users.noreply.github.com>

build-monitor-plugin/src/main/resources/com/smartcodeltd/jenkinsci/plugins/buildmonitor/BuildMonitorView/index.jelly

@@ -158,8 +158,9 @@
                 };
                 window.bindings={};
             </script>
-            <st:bind var="window.bindings['buildMonitor']" value="${it}" />
+            <st:bind var="buildMonitorBind" value="${it}" />
             <script>
+                window.bindings['buildMonitor'] = buildMonitorBind
                 window.makeStaplerProxy = window.originalMakeStaplerProxy;
                 try {
                     delete window.originalMakeStaplerProxy;