Handle changes in sort field or order

- also created convenience method watcherUpdateLiveAndDelayed

shell/components/SortableTable/index.vue

@@ -333,22 +333,24 @@ export default {
       this.searchQuery = q;
     }, 200),
 
+    descending(neu, old) {
+      this.watcherUpdateLiveAndDelayed(neu, old);
+    },
+
+    sortFields(neu, old) {
+      this.watcherUpdateLiveAndDelayed(neu, old);
+    },
+
     groupBy(neu, old) {
-      if (neu !== old) {
-        this.$nextTick(() => this.updateLiveAndDelayed());
-      }
+      this.watcherUpdateLiveAndDelayed(neu, old);
     },
 
     namespaces(neu, old) {
-      if (neu !== old) {
-        this.$nextTick(() => this.updateLiveAndDelayed());
-      }
+      this.watcherUpdateLiveAndDelayed(neu, old);
     },
 
     page(neu, old) {
-      if (neu !== old) {
-        this.$nextTick(() => this.updateLiveAndDelayed());
-      }
+      this.watcherUpdateLiveAndDelayed(neu, old);
     },
 
     // Ensure we update live and delayed columns on first load
@@ -575,6 +577,12 @@ export default {
       }
     },
 
+    watcherUpdateLiveAndDelayed(neu, old) {
+      if (neu !== old) {
+        this.$nextTick(() => this.updateLiveAndDelayed());
+      }
+    },
+
     updateLiveAndDelayed() {
       if (this.hasLiveColumns) {
         this.updateLiveColumns();