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>

includes/leftsidebar.asp

@@ -1,33 +1,28 @@
 <%
-' Calculate fiscal week (GE fiscal year starts first Monday of January)
-Dim fwToday, fwYearStart, fwFirstMonday, fwDayOfWeek, fwDaysFromStart, fiscalWeek
-Dim fwPrevYearStart, fwPrevFirstMonday, fwPrevDayOfWeek
+' Calculate ISO week number
+' ISO week 1 is the week containing the first Thursday of the year (or Jan 4th)
+' Weeks start on Monday
+Dim fwToday, fiscalWeek, fwDayOfWeek, fwThursday, fwYear, fwJan4, fwWeek1Start, fwDaysFromStart
+
 fwToday = Date()
 
-' Find first Monday of current year
-fwYearStart = DateSerial(Year(fwToday), 1, 1)
-fwDayOfWeek = Weekday(fwYearStart, vbMonday) ' 1=Monday, 7=Sunday
-If fwDayOfWeek = 1 Then
-    fwFirstMonday = fwYearStart
-Else
-    fwFirstMonday = DateAdd("d", 8 - fwDayOfWeek, fwYearStart)
-End If
+' Find Thursday of current week (ISO weeks are identified by their Thursday)
+fwDayOfWeek = Weekday(fwToday, vbMonday) ' 1=Monday ... 7=Sunday
+fwThursday = DateAdd("d", 4 - fwDayOfWeek, fwToday)
 
-' If we're before the first Monday, use previous year's week count
-If fwToday < fwFirstMonday Then
-    fwPrevYearStart = DateSerial(Year(fwToday) - 1, 1, 1)
-    fwPrevDayOfWeek = Weekday(fwPrevYearStart, vbMonday)
-    If fwPrevDayOfWeek = 1 Then
-        fwPrevFirstMonday = fwPrevYearStart
-    Else
-        fwPrevFirstMonday = DateAdd("d", 8 - fwPrevDayOfWeek, fwPrevYearStart)
-    End If
-    fwDaysFromStart = DateDiff("d", fwPrevFirstMonday, fwToday)
-    fiscalWeek = Int(fwDaysFromStart / 7) + 1
-Else
-    fwDaysFromStart = DateDiff("d", fwFirstMonday, fwToday)
-    fiscalWeek = Int(fwDaysFromStart / 7) + 1
-End If
+' The year of the Thursday determines the ISO year
+fwYear = Year(fwThursday)
+
+' Find January 4th of that year (always in week 1)
+fwJan4 = DateSerial(fwYear, 1, 4)
+
+' Find Monday of the week containing Jan 4 (start of week 1)
+fwDayOfWeek = Weekday(fwJan4, vbMonday)
+fwWeek1Start = DateAdd("d", 1 - fwDayOfWeek, fwJan4)
+
+' Calculate week number
+fwDaysFromStart = DateDiff("d", fwWeek1Start, fwToday)
+fiscalWeek = Int(fwDaysFromStart / 7) + 1
 %>
   <!--Start sidebar-wrapper-->
    <div id="sidebar-wrapper" data-simplebar="" data-simplebar-auto-hide="true">