added backup apis and tests

ui/src/components/base/Installer.svelte

@@ -28,7 +28,7 @@
 
             dispatch("submit");
         } catch (err) {
-            ApiClient.errorResponseHandler(err);
+            ApiClient.error(err);
         }
 
         isLoading = false;

ui/src/components/base/RefreshButton.svelte

@@ -7,6 +7,9 @@
     let tooltipData = { text: "Refresh", position: "right" };
     export { tooltipData as tooltip };
 
+    let classes = "";
+    export { classes as class };
+
     let refreshTimeoutId = null;
 
     function refresh() {
@@ -31,7 +34,7 @@
 <button
     type="button"
     aria-label="Refresh"
-    class="btn btn-transparent btn-circle"
+    class="btn btn-transparent btn-circle {classes}"
     class:refreshing={refreshTimeoutId}
     use:tooltip={tooltipData}
     on:click={refresh}

ui/src/components/base/Select.svelte

@@ -157,6 +157,9 @@
     function handleOptionKeypress(e, item) {
         if (e.code === "Enter" || e.code === "Space") {
             handleOptionSelect(e, item);
+            if (closable) {
+                hideDropdown();
+            }
         }
     }