fix(ci-installer): remove dynamic path defines for ISCC

- use static relative paths in .iss for source/output

- pass only version and /O override to ISCC

- add explicit source/script path diagnostics in build.py

installer/AnabasisManager.iss

@@ -2,12 +2,6 @@
 #ifndef MyAppVersion
   #define MyAppVersion "0.0.0"
 #endif
-#ifndef MySourceDir
-  #define MySourceDir "..\\dist\\AnabasisManager"
-#endif
-#ifndef MyOutputDir
-  #define MyOutputDir "..\\dist"
-#endif
 
 [Setup]
 AppId={{6CD9D6F2-4B95-4E9C-A8D8-2A9C8F6AA741}
@@ -18,7 +12,7 @@ DefaultDirName={localappdata}\Programs\Anabasis Manager
 DefaultGroupName=Anabasis Manager
 DisableProgramGroupPage=yes
 PrivilegesRequired=lowest
-OutputDir={#MyOutputDir}
+OutputDir=..\dist
 OutputBaseFilename=AnabasisManager-setup-{#MyAppVersion}
 Compression=lzma2
 SolidCompression=yes
@@ -34,7 +28,7 @@ Name: "english"; MessagesFile: "compiler:Default.isl"
 Name: "desktopicon"; Description: "Create a desktop shortcut"; GroupDescription: "Additional tasks:"
 
 [Files]
-Source: "{#MySourceDir}\*"; DestDir: "{app}"; Flags: ignoreversion recursesubdirs createallsubdirs
+Source: "..\dist\AnabasisManager\*"; DestDir: "{app}"; Flags: ignoreversion recursesubdirs createallsubdirs
 
 [Icons]
 Name: "{group}\Anabasis Manager"; Filename: "{app}\AnabasisManager.exe"