Maintain scroll position when unit system is changed on Home view

Author: nur557

src/modules/plots.js

@@ -228,7 +228,6 @@ export function makePlots(flightlog, element, useImperialUnits) {
     element.replaceChildren([])
 
     let el = document.createElement("div")
-    document.create
     element.append(el)
     const altitudeYLabel = useImperialUnits ? "Altitude [ft]" : "Altitude [m]"
     makePlot(flightlog.flightInfo, el, "State Estimation - Altitude", altitudeYLabel, ["height"], eventInfo, useImperialUnits)
@@ -265,4 +264,7 @@ export function makePlots(flightlog, element, useImperialUnits) {
     el = document.createElement("div")
     element.append(el)
     makePlot(flightlog.voltageInfo, el, "Battery Voltage", "Voltage [V]", ["voltage"], eventInfo)
+
+    // restore scroll position
+    element.scrollTop = scrollTop;
 }

src/views/Home.vue

@@ -151,8 +151,9 @@ export default {
   watch: {
     useImperialUnits(newValue) {
       if (this.flightLog) {
-        this.$refs.flightLogPlotContainer.innerHTML = "";
+        const savedWindowScrollY = window.scrollY;
         this.replot();
+        window.scrollTo(0, savedWindowScrollY);
       }
     }
   }