docs: the manual and the user guide describe the badge bar, the dock and the slide-over pages

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

help/C/org.udpscope.app/sessions.page

@@ -57,7 +57,7 @@
     <list>
       <item><p>What a configuration persists: the time window, the rows and each row's slot
       signals, the calibration, the trace colours, which signals were enabled, the math
-      channels with their graphs, the measurements pane — and the startup settings: samples
+      channels with their graphs, the measurements — and the startup settings: samples
       per signal, relative time and the packet capture's ring size.</p></item>
       <item><p>Signal identity is the <em>name</em> throughout, because a new CONFIG renumbers
       the channels.</p></item>