fix list of offers (and some other lists), and add tests for offers

src/components/OfferDialog.vue

@@ -4,6 +4,7 @@
       <h1 class="text-xl font-bold text-center mb-4">Offer Help</h1>
       <input
         type="text"
+        data-testId="inputDescription"
         class="block w-full rounded border border-slate-400 mb-2 px-3 py-2"
         placeholder="Description, prerequisites, terms, etc."
         v-model="description"
@@ -23,6 +24,7 @@
           <fa icon="chevron-left" />
         </div>
         <input
+          data-testId="inputOfferAmount"
           type="number"
           class="w-full border border-r-0 border-slate-400 px-2 py-2 text-center"
           v-model="amountInput"