fix: pagination padding (#2866)

* feat(stories): add pagination with padding
* refactor(pagination): remove default value from widget
* fix(pagination): provide padding to the connector

Author: samouss

dev/app/builtin/stories/pagination.stories.js

@@ -19,6 +19,17 @@ export default () => {
         );
       })
     )
+    .add(
+      'with padding',
+      wrapWithHits(container => {
+        window.search.addWidget(
+          instantsearch.widgets.pagination({
+            container,
+            padding: 6,
+          })
+        );
+      })
+    )
     .add(
       'without autoHideContainer',
       wrapWithHits(container => {

src/widgets/pagination/pagination.js

@@ -146,7 +146,7 @@ export default function pagination({
   labels: userLabels = defaultLabels,
   cssClasses: userCssClasses = {},
   maxPages,
-  padding = 3,
+  padding,
   showFirstLast = true,
   autoHideContainer = true,
   scrollTo: userScrollTo = 'body',
@@ -189,7 +189,7 @@ export default function pagination({
     const makeWidget = connectPagination(specializedRenderer, () =>
       unmountComponentAtNode(containerNode)
     );
-    return makeWidget({ maxPages });
+    return makeWidget({ maxPages, padding });
   } catch (e) {
     throw new Error(usage);
   }