fix problem with "Affirm Delivery" on offer claim page, plus other look-and-feel tweaks

src/views/ContactsView.vue

@@ -88,7 +88,7 @@
           @click="toggleShowContactAmounts()"
         >
           {{
-            showGiveNumbers ? "Hide Given Hours, etc" : "Show Given Hours, etc"
+            showGiveNumbers ? "Hide Hours, Offer, etc" : "See Hours, Offer, etc"
           }}
         </button>
       </div>
@@ -418,7 +418,18 @@ export default class ContactsView extends Vue {
     // handle an invite JWT sent via URL
     const importedInviteJwt = (this.$route as RouteLocationNormalizedLoaded)
       .query["inviteJwt"] as string;
-    if (importedInviteJwt) {
+    if (importedInviteJwt === "") {
+      // this happens when a platform (usually iOS) doesn't include anything after the "=" in a shared link.
+      this.$notify(
+        {
+          group: "alert",
+          type: "warning",
+          title: "Blank Invite",
+          text: "The invite was not included. This can happen when your device cuts off the link, so you might try pasting the full link into a browser.",
+        },
+        7000,
+      );
+    } else if (importedInviteJwt) {
       // make sure user is created
       if (!this.activeDid) {
         this.activeDid = await generateSaveAndActivateIdentity();