deps: update to wabac.js 2.19.2 (wombat 3.7.10) (#348)

includes sharepoint fidelity (fixes #273)
ui: default URL resources search to 'prefix' (as contains only works after prefix search)
version: bump to 2.1.1

src/url-resources.ts

@@ -112,7 +112,7 @@ class URLResources extends LitElement {
   firstUpdated() {
     //this.doLoadResources();
     if (this.urlSearchType === "") {
-      this.urlSearchType = "contains";
+      this.urlSearchType = "prefix";
     }
   }