Fix a bug on the diagnostic pages

This was introduced when I changed the ids of some of the pages.

Change-Id: Ia0dc4a49fcabb02782a0e037779a29a55f5deb7c
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/432560
Auto-Submit: Brian Wilkerson <[email protected]>
Commit-Queue: Brian Wilkerson <[email protected]>
Commit-Queue: Samuel Rawlins <[email protected]>
Reviewed-by: Samuel Rawlins <[email protected]>

Author: bwilkerson

pkg/analysis_server/lib/src/status/diagnostics.dart

@@ -181,7 +181,7 @@ abstract class DiagnosticPage extends Page {
 
       <nav class="masthead-nav">
         <a href="/status" ${isNavPage ? ' class="active"' : ''}>Diagnostics</a>
-        <a href="/collectreport" ${isCurrentPage('/collectreport') ? ' class="active"' : ''}>Collect Report</a>
+        <a href="/collect-report" ${isCurrentPage('/collect-report') ? ' class="active"' : ''}>Collect Report</a>
         <a href="/feedback" ${isCurrentPage('/feedback') ? ' class="active"' : ''}>Feedback</a>
         <a href="https://dart.dev/tools/dart-analyze" target="_blank">Docs</a>
         <a href="https://htmlpreview.github.io/?https://github.com/dart-lang/sdk/blob/main/pkg/analysis_server/doc/api.html" target="_blank">Spec</a>