New Windows Qt5/Qt6 CI test, enable -platform windows:fontengine=freetype add new .bat for Qt6 installer and portable version

.github/workflows/windows-build.yml

@@ -552,8 +552,8 @@ jobs:
           cp -r "$GITHUB_WORKSPACE/build-aux/windows/nsis_base/." "$NSIS_ROOT/"
 
           curl -fsSL \
-            "https://raw.githubusercontent.com/qelectrotech/qelectrotech-source-mirror/refs/heads/master/misc/Lancer%20QET.bat" \
-            -o "$FILES/Lancer QET.bat"
+            "https://raw.githubusercontent.com/qelectrotech/qelectrotech-source-mirror/refs/heads/master/misc/Lancer%20QET_qt6.bat" \
+            -o "$FILES/Lancer QET_qt6.bat"
           cp -r "$GITHUB_WORKSPACE/elements"    "$FILES/elements"    || true
           cp -r "$GITHUB_WORKSPACE/titleblocks" "$FILES/titleblocks" || true
           cp -r "$GITHUB_WORKSPACE/examples"    "$FILES/examples"    || true
@@ -570,7 +570,7 @@ jobs:
 
           echo "=== Verification of key files in files/ ==="
           for f in LICENSE ChangeLog CREDIT README ELEMENTS.LICENSE \
-                   qet_uninstall_file_associations.reg register_filetypes.bat "Lancer QET.bat"; do
+                   qet_uninstall_file_associations.reg register_filetypes.bat "Lancer QET_qt6.bat"; do
             [ -f "$FILES/$f" ] \
               && echo "  OK      : $f" \
               || echo "  MISSING: $f"

misc/Lancer QET_qt6.bat

@@ -0,0 +1,12 @@
+@echo off
+
+rem Se rend dans le dossier qui convient
+set current_dir=%~dp0
+cd /d %current_dir%
+
+rem Met la collection QET en lecture seule
+attrib +r elements/* /S /D
+
+rem lance QElectroTech
+set command=bin\qelectrotech.exe --common-elements-dir=elements/ --common-tbt-dir=titleblocks/ --lang-dir=lang/ --config-dir=conf/ --data-dir=conf/  %*
+@start %command%