[BUGFIX] Fix PageTreeFilterCest

The SvgTree markup changed in #87743 causing
acceptance test failures.
This wasn't discovered as gitlab-ci missed to vote negative.

The text node for the page "inline mngroup" now
contains additional HTML when filtering for "Group".
This new markup rendered the previous xpath invalid:

  inline mn<tspan class="node-highlight-text">group</tspan>

The xpath is now adapted to only filter for the text node.

Releases: master
Resolves: #93977
Related: #87743
Change-Id: Id72e6239536c52cb30912b095d720331a8a3212f
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/68849
Tested-by: Oliver Hader <oliver.hader@typo3.org>
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Oliver Hader <oliver.hader@typo3.org>
Reviewed-by: Oliver Bartsch <bo@cedev.de>

typo3/sysext/core/Tests/Acceptance/Backend/PageTree/PageTreeFilterCest.php

@@ -106,7 +106,7 @@ public function deletingPageWithFilterAppliedRespectsFilterUponPageTreeReload(Ba
         $I->canSee('elements group', $this->inPageTree);
         $I->canSee('inline mngroup', $this->inPageTree);
 
-        $I->clickWithRightButton('//*[text()=\'inline mngroup\']');
+        $I->clickWithRightButton('//*[text()=\'inline mn\']');
 
         $I->canSeeElement('#contentMenu0');
         $I->click('[data-callback-action="deleteRecord"]', '#contentMenu0');