SIGNAL/SLOT migration: lts_app_descriptor_editor.cpp and qsql_informix.cpp

- Migrated 12 SIGNAL/SLOT connections in lts_app_descriptor_editor.cpp to function-pointer syntax
  - clicked, editingFinished, pressed, textChanged signals
  - Added required includes: QListView, QLineEdit, QPushButton
- Migrated 2 SIGNAL/SLOT connections in qsql_informix.cpp to function-pointer syntax
  - timeout signal connections
- Added Qt5::Core5Compat dependency for QTextCodec support in Qt6
  - Updated CMakeLists.txt to link Qt6::Core5Compat

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

build-rti-off/share/Lts/IcaScripts/office.ica

@@ -0,0 +1,48 @@
+[WFClient]
+Version=2
+username=@USERNAME@
+clearpassword=!Mout11de
+
+[ApplicationServers]
+OPGLaunch=
+
+[OPGLaunch]
+Address=10.7.144.26:1494
+AutologonAllowed=ON
+BrowserProtocol=HTTPonTCP
+CGPAddress=*:2598
+ClientAudio=On
+DesiredColor=8
+DesiredHRES=0
+DesiredVRES=0
+DoNotUseDefaultCSL=On
+FontSmoothingType=0
+HDXoverUDP=Off
+InitialProgram=#OPGLaunch
+Launcher=WI
+Title=Word 2016
+TransportDriver=TCP/IP
+TRWD=0
+TWIMode=On
+WinStationDriver=ICA 3.0
+
+[Compress]
+DriverNameWin16=pdcompw.dll
+DriverNameWin32=pdcompn.dll
+
+[EncRC5-0]
+DriverNameWin16=pdc0w.dll
+DriverNameWin32=pdc0n.dll
+
+[EncRC5-128]
+DriverNameWin16=pdc128w.dll
+DriverNameWin32=pdc128n.dll
+
+[EncRC5-40]
+DriverNameWin16=pdc40w.dll
+DriverNameWin32=pdc40n.dll
+
+[EncRC5-56]
+DriverNameWin16=pdc56w.dll
+DriverNameWin32=pdc56n.dll
+