quick fix

src/lib/calculator/Calculator.svelte

@@ -23,10 +23,12 @@
     $: number = commissions.length + 1;
 
     async function setup() {
+        let prefill = true;
         const urlParams = new URLSearchParams(window.location.search);
         urlParams.forEach((value, key) => {
             if(key == "commissions") {
                 try {
+                    prefill = false;
                     commissions = JSON.parse(value);
                     commissions.forEach(value => {
                         types.forEach(element => {
@@ -42,12 +44,12 @@
                         console.log(value.example);
                     });
                 } catch(msg) {
-                    commissions = [];
+                    prefill = true;
                     error = "The selected preset link failed to load. It may be from an old version of the commission picker. It has been replaced with the default preset below."
                 }
             }
         });
-        if(commissions.length == 0) {
+        if(prefill) {
             base();
         }
     }