groups setup keep http vars for table sort and search

SUP-18972

Change-Id: I7d442a2c42f68cc3c5048de50f198fbb9696dffc

cmk/gui/wato/pages/groups.py

@@ -47,7 +47,7 @@
 from cmk.gui.utils.csrf_token import check_csrf_token
 from cmk.gui.utils.html import HTML
 from cmk.gui.utils.transaction_manager import transactions
-from cmk.gui.utils.urls import makeactionuri
+from cmk.gui.utils.urls import makeactionuri, makeuri
 from cmk.gui.valuespec import (
     CascadingDropdown,
     Dictionary,
@@ -135,7 +135,8 @@ def page_menu(self, breadcrumb: Breadcrumb) -> PageMenu:
 
     def action(self) -> ActionResult:
         if not transactions.check_transaction():
-            return redirect(mode_url("%s_groups" % self.type_name))
+            request.del_var("_transid")
+            return redirect(makeuri(request=request, addvars=list(request.itervars())))
 
         if request.var("_delete"):
             delname = request.get_ascii_input_mandatory("_delete")
@@ -154,7 +155,11 @@ def action(self) -> ActionResult:
             groups.delete_group(delname, self.type_name)
             self._groups = self._load_groups()
 
-        return redirect(mode_url("%s_groups" % self.type_name))
+        if request.var("mode") == "edit_host_group":
+            return redirect(mode_url("%s_groups" % self.type_name))
+
+        request.del_var("_transid")
+        return redirect(makeuri(request=request, addvars=list(request.itervars())))
 
     def _page_no_groups(self) -> None:
         html.div(_("No groups are defined yet."), class_="info")