msi: Get the UI level from the global variable instead of the property.

dlls/msi/action.c

@@ -480,8 +480,7 @@ UINT msi_set_sourcedir_props(MSIPACKAGE *package, BOOL replace)
 
 static BOOL needs_ui_sequence(MSIPACKAGE *package)
 {
-    INT level = msi_get_property_int(package->db, szUILevel, 0);
-    return (level & INSTALLUILEVEL_MASK) >= INSTALLUILEVEL_REDUCED;
+    return (gUILevel & INSTALLUILEVEL_MASK) >= INSTALLUILEVEL_REDUCED;
 }
 
 UINT msi_set_context(MSIPACKAGE *package)

dlls/msi/dialog.c

@@ -3978,8 +3978,7 @@ UINT msi_spawn_error_dialog( MSIPACKAGE *package, LPWSTR error_dialog, LPWSTR er
         'M','S','I','E','r','r','o','r','D','i','a','l','o','g','R','e','s','u','l','t',0
     };
 
-    if ( (msi_get_property_int( package->db, szUILevel, 0 ) & INSTALLUILEVEL_MASK) == INSTALLUILEVEL_NONE )
-        return ERROR_SUCCESS;
+    if ((gUILevel & INSTALLUILEVEL_MASK) == INSTALLUILEVEL_NONE) return ERROR_SUCCESS;
 
     if ( !error_dialog )
     {

dlls/msi/media.c

@@ -77,9 +77,8 @@ static UINT msi_change_media(MSIPACKAGE *package, MSIMEDIAINFO *mi)
 
     static const WCHAR error_prop[] = {'E','r','r','o','r','D','i','a','l','o','g',0};
 
-    if ((msi_get_property_int(package->db, szUILevel, 0) & INSTALLUILEVEL_MASK) ==
-         INSTALLUILEVEL_NONE && !gUIHandlerA && !gUIHandlerW && !gUIHandlerRecord)
-        return ERROR_SUCCESS;
+    if ((gUILevel & INSTALLUILEVEL_MASK) == INSTALLUILEVEL_NONE &&
+        !gUIHandlerA && !gUIHandlerW && !gUIHandlerRecord) return ERROR_SUCCESS;
 
     error = msi_build_error_string(package, 1302, 1, mi->disk_prompt);
     error_dialog = msi_dup_property(package->db, error_prop);