Reset CMAKE_MODULE_PATH to previous value (colmap#2699)

Seems like this line went missing in colmap@4afd5d9

Author: mvieth

cmake/colmap-config.cmake.in

@@ -81,3 +81,6 @@ set(CGAL_ENABLED @CGAL_ENABLED@)
 include(${PACKAGE_PREFIX_DIR}/share/colmap/colmap-targets.cmake)
 include(${PACKAGE_PREFIX_DIR}/share/colmap/cmake/FindDependencies.cmake)
 check_required_components(colmap)
+
+# Reset to previous value
+set(CMAKE_MODULE_PATH ${TEMP_CMAKE_MODULE_PATH})