Fix Web IDE editor resizing on sidebar reset size

app/assets/javascripts/vue_shared/components/panel_resizer.vue

@@ -44,8 +44,15 @@
     methods: {
       resetSize(e) {
         e.preventDefault();
+        this.$emit('resize-start', this.size);
+
         this.size = this.startSize;
         this.$emit('update:size', this.size);
+
+        // End resizing on next tick so that listeners can react to DOM changes
+        this.$nextTick(() => {
+          this.$emit('resize-end', this.size);
+        });
       },
       startDrag(e) {
         if (this.enabled) {