MDL-86596 Profiling: add breadcrumb node to profiling detail page

Boost theme removes the last item action.
This adds an extra node so the profile run details page breadcrumb is clickable in both Classic and Boost themes.

public/admin/tool/profiling/index.php

@@ -52,9 +52,9 @@ if ($listurl) {
 }
 
 // Add a new nav item to make $listurl clickable for the Boost theme.
-if (isset($script)) {
-    $lastrunnav = get_string('lastrun', 'tool_profiling');
-    $PAGE->navbar->add($lastrunnav);
+if (isset($script) || isset($runid)) {
+    $detailnav = get_string('detailview', 'tool_profiling');
+    $PAGE->navbar->add($detailnav);
 }
 
 // Header

public/admin/tool/profiling/lang/en/tool_profiling.php

@@ -31,6 +31,7 @@ $string['cannotfindanyrunforurl'] = 'Sorry, cannot find any profiling run for th
 $string['cannotfindanyrunforrunid'] = 'Sorry, cannot find the \'{$a}\' profiling run';
 $string['comment'] = 'Comment';
 $string['cputime'] = 'CPU time';
+$string['detailview'] = 'Summary of run';
 $string['differencesbetween2runsof'] = 'Differences between 2 runs of {$a}';
 $string['executiontime'] = 'Execution time';
 $string['export'] = 'Export';
@@ -41,7 +42,6 @@ $string['importok'] = 'File "{$a}" imported successfully.';
 $string['importprefix'] = 'Import prefix';
 $string['importproblem'] = 'Some problem happened importing the file "{$a}".';
 $string['lastrunof'] = 'Summary of last run of {$a}';
-$string['lastrun'] = 'Summary of last run';
 $string['markreferencerun'] = 'Mark as reference run/comment';
 $string['memory'] = 'Memory used';
 $string['pluginname'] = 'Profiling runs';