Doc: Describe how to temporarily cancel Clangd indexing

Task-number: QTCREATORBUG-28721
Change-Id: If942fb7ca6e0dfa5601b62b340ff3bcd3d9b6bcf
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

doc/qtcreator/src/editors/creator-only/creator-clang-codemodel.qdoc

@@ -143,6 +143,12 @@
     re-scanning is incremental, so nothing is lost by closing and re-starting
     \QC.
 
+    To temporarily disable global indexing, select
+    \uicontrol {Toggle Progress Details} (1), and then select \uicontrol X on
+    the progress bar.
+
+    \image qtcreator-toggle-progress-bar.webp {Toggle Progress Details button}
+
     By default, \QC runs one clangd process per project. If you have created
     \l{Managing Sessions}{sessions} that have related projects, you can
     specify that the projects in the session should be managed by a single

doc/qtcreator/src/projects/creator-only/creator-projects-opening.qdoc

@@ -97,6 +97,6 @@
     To show or hide detailed progress information, select
     \uicontrol {Toggle Progress Details} (1).
 
-    \image creator-toggle-progress-bar.png "Toggle Progress Details button"
+    \image qtcreator-toggle-progress-bar.webp {Toggle Progress Details button}
 
 */