Small regression fixes after code cleanup

src/vue/charts/Boxplot.vue

 <template>
   <chart v-on:resize="resize">
 
-    <control-panel class="fjs-control-panel" name="Boxplot Panel">
+    <control-panel class="fjs-control-panel">
       <data-box class="fjs-data-box"
                 header="Numerical Variables"
                 dataType="numerical"

src/vue/charts/CorrelationAnalysis.vue

@@ -439,9 +439,9 @@
           ctx.fill()
         })
       },
-      resize (height, width) {
-        this.height = height
+      resize ({width, height}) {
         this.width = width
+        this.height = height
       },
       update_xyData (ids) {
         this.xyData = ids

src/vue/charts/Heatmap.vue

 <template>
   <chart v-on:resize="resize">
-    <control-panel class="fjs-control-panel" name="Heatmap Panel">
+    <control-panel class="fjs-control-panel" name="Heat">
       <data-box class="fjs-data-box"
                 header="Numerical Variables"
                 dataType="numerical_array"

src/vue/charts/PCA.vue

 <template>
   <chart v-on:resize="resize">
 
-    <control-panel class="fjs-control-panel" name="PCA Panel">
+    <control-panel class="fjs-control-panel">
       <data-box class="fjs-data-box"
                 header="Numerical Variables"
                 dataType="numerical,numerical_array"

src/vue/components/Chart.vue

@@ -18,11 +18,11 @@
     },
     methods: {
       resize () {
-        const chartWidth = this.$parent.$el.parentNode.getBoundingClientRect().width
-        const chartHeight = this.$parent.$el.parentNode.getBoundingClientRect().height
-        const fontSize = Math.ceil((chartHeight < chartWidth ? chartHeight : chartWidth) / 50)
+        const width = this.$parent.$el.parentNode.getBoundingClientRect().width
+        const height = this.$parent.$el.parentNode.getBoundingClientRect().height
+        const fontSize = Math.ceil((height < width ? height : width) / 50)
         this.$el.style['font-size'] = fontSize + 'pt'
-        this.$emit('resize', {height: chartHeight, width: chartWidth})
+        this.$emit('resize', {width, height})
       },
       focusControlPanel () {
         const controlPanel = this.$children.find(d => d.$options.name === 'control-panel')