empty textCointainer on rezize so we don't have double text elements

src/js/whiteboard.js

@@ -118,11 +118,12 @@ const whiteboard = {
         this.oldGCO = this.ctx.globalCompositeOperation;
 
         window.addEventListener("resize", function () {
-            // Handel resize
+            // Handle resize
             const dbCp = JSON.parse(JSON.stringify(_this.drawBuffer)); // Copy the buffer
             _this.canvas.width = $(window).width();
             _this.canvas.height = $(window).height(); // Set new canvas height
             _this.drawBuffer = [];
+            _this.textContainer.empty();
             _this.loadData(dbCp); // draw old content in
         });