[erp5_web_renderjs_ui_test] Fix relation field zuite to match new UI

bt5/erp5_web_renderjs_ui_test/PathTemplateItem/portal_tests/renderjs_ui_zuite/relationfield_zuite/testBreadcrumbCanNotAccessRelationSearchPage.zpt

@@ -177,7 +177,7 @@
 
 <tr>
   <td>click</td>
-  <td>//input[@class="search_button"]</td>
+  <td>//button[contains(@class, "search_button")]</td>
   <td></td>
 </tr>
 

bt5/erp5_web_renderjs_ui_test/PathTemplateItem/portal_tests/renderjs_ui_zuite/relationfield_zuite/testMultiRelationFieldSearchWithListbox.zpt

@@ -267,7 +267,7 @@
 
 <tr>
   <td>click</td>
-  <td>//input[@class="search_button"]</td>
+  <td>//button[contains(@class, "search_button")]</td>
   <td></td>
 </tr>
 

bt5/erp5_web_renderjs_ui_test/PathTemplateItem/portal_tests/renderjs_ui_zuite/relationfield_zuite/testProxyListBox.zpt

@@ -323,7 +323,7 @@
 
 <tr>
   <td>click</td>
-  <td>//input[@class="search_button"]</td>
+  <td>//button[contains(@class, "search_button")]</td>
   <td></td>
 </tr>
 
@@ -478,7 +478,7 @@
 
 <tr>
   <td>click</td>
-  <td>//input[@class="search_button"]</td>
+  <td>//button[contains(@class, "search_button")]</td>
   <td></td>
 </tr>
 

bt5/erp5_web_renderjs_ui_test/PathTemplateItem/portal_tests/renderjs_ui_zuite/relationfield_zuite/testRelationFieldSearchWithListbox.zpt

@@ -194,7 +194,7 @@
 
 <tr>
   <td>click</td>
-  <td>//input[@class="search_button"]</td>
+  <td>//button[contains(@class, "search_button")]</td>
   <td></td>
 </tr>