Fix #8, it was same as for #2 whose fix forgot \Etoc@@startlocallistof

There remains a warning from tagpdf but it is the upstream issue
latex3/tagging-project#55

etoc.sty

@@ -692,11 +692,13 @@
 %% dtx comment deliberately left in sty
 %% \etocrelease{1.2e} locates this here and not before \csbc{Etoc@toctoc} else
 %% \csbc{etocetoclocaltocmaketitle} could have kicked in and typeset a chapter
-%% title creating a Parent-Child tagging problem.
+%% title creating a Parent-Child tagging problem. jfbu/etoc#2
 %%
 %% Could this originate a problem perhaps if the toc file contents generate
 %% a |\begingroup/\endgroup| so that the group will be closed before the
-%% |\@starttoc@cfgpoint@after{toc}| is done?
+%% |\@starttoc@cfgpoint@after{toc}| (located in \csbc{Etoc@toctoc}) is done?
+%%
+%% The same addition is made to \csbc{Etoc@@startlocallistof}.
           \ifEtoc@tagging
           %%\ifEtoc@tagactive % do I need this here
             \@starttoc@cfgpoint@before{toc}%
@@ -847,6 +849,12 @@
           \ifEtoc@etocstyle
               \csname etocetoclistof#1smaketitle\endcsname
           \fi
+%% Same tagging related (jfbu/etoc#2) addition as in \csbc{Etoc@@startlocaltoc}
+          \ifEtoc@tagging
+          %%\ifEtoc@tagactive % do I need this here
+            \@starttoc@cfgpoint@before{toc}%
+          %%\fi
+          \fi
        \fi
     \fi
 }