Merge feature/qt6-migration-basis-modules-services into feature/qt6-migration-basis-modules

Resolves 17 conflicts against legacy Qt5 semantics; validates with BUILD_RTI=ON BUILD_GRANTLEE=ON.

qt6-after/qt6-migrated-legatus/forward-declarations/Lts/Services/AudioVideoManagement/avm_dtc.h

@@ -0,0 +1,2 @@
+#pragma once
+namespace AudioVideoManagement { namespace Interface { class Dtc; class Ftc; } }

qt6-after/qt6-migrated-legatus/forward-declarations/Lts/Services/AudioVideoManagement/avm_ftc.h

@@ -0,0 +1,2 @@
+#pragma once
+namespace AudioVideoManagement { namespace Interface { class Dtc; class Ftc; } }

qt6-after/qt6-migrated-legatus/forward-declarations/Lts/Services/AudioVideoManagement/svcavmcommon_export.h

@@ -0,0 +1,14 @@
+// Stub export header for non-RTI builds
+// When BUILD_RTI=OFF, svcAvmCommon library is not built
+// This stub allows dependent code to compile
+#ifndef SVCAVMCOMMON_EXPORT_H
+#define SVCAVMCOMMON_EXPORT_H
+
+// Map to the actual macro names used in the code
+#define SVCAVMCOMMON_EXPORT
+#define SVCAVMCOMMON_NO_EXPORT
+#define AVM_COMMON_EXPORT
+#define AVM_CLIENT_EXPORT
+#define AVM_SERVER_EXPORT
+
+#endif