cmake: use per-target components for bitcoin-qt and bitcoin-gui

This makes the usage consistent with the next commit, which will add a
per-target component for each binary.

cmake/module/Maintenance.cmake

@@ -103,7 +103,7 @@ function(add_macos_deploy_target)
 
     add_custom_command(
       OUTPUT ${PROJECT_BINARY_DIR}/${macos_app}/Contents/MacOS/Bitcoin-Qt
-      COMMAND ${CMAKE_COMMAND} --install ${PROJECT_BINARY_DIR} --config $<CONFIG> --component GUI --prefix ${macos_app}/Contents/MacOS --strip
+      COMMAND ${CMAKE_COMMAND} --install ${PROJECT_BINARY_DIR} --config $<CONFIG> --component bitcoin-qt --prefix ${macos_app}/Contents/MacOS --strip
       COMMAND ${CMAKE_COMMAND} -E rename ${macos_app}/Contents/MacOS/bin/$<TARGET_FILE_NAME:bitcoin-qt> ${macos_app}/Contents/MacOS/Bitcoin-Qt
       COMMAND ${CMAKE_COMMAND} -E rm -rf ${macos_app}/Contents/MacOS/bin
       VERBATIM