Fix network device description/machinenotes display and edit

- Fix ADO cursor issue where reading rs("description") twice caused
  empty values (IsNull check consumed the field value)
- Change all device pages to read description field once using
  `description = rs("description") & ""` pattern
- Add deviceDescription variable in displaydevice.asp
- Fix machinetypeid mapping: IDF=17, Camera=18 (was swapped)
- Add model dropdown fix to include currently assigned model
- Add server application tracking feature
- Various other improvements and fixes

Files affected:
- displaydevice.asp, displaylocationdevice.asp
- deviceaccesspoint.asp, deviceserver.asp, deviceswitch.asp
- devicecamera.asp, deviceidf.asp
- savenetworkdevice.asp, networkdevices.asp

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

displayknowledgearticle.asp

@@ -104,11 +104,17 @@
                     <th style="width: 150px;">Description:</th>
                     <td><%=Server.HTMLEncode(rs("shortdescription") & "")%></td>
                   </tr>
+<%
+	' Display Topic if present
+	If NOT IsNull(rs("appid")) AND rs("appid") <> "" Then
+%>
                   <tr>
                     <th>Topic:</th>
-                    <td><a href='./displaytopic.asp?appid=<%=rs("appid")%>'><%=Server.HTMLEncode(rs("appname"))%></a></td>
+                    <td><a href='./displayapplication.asp?appid=<%=rs("appid")%>'><%=Server.HTMLEncode(rs("appname") & "")%></a></td>
                   </tr>
 <%
+	End If
+
 	' Check if article has a URL link
 	If linkUrl <> "" Then
 %>