When I try with (Unreal Engine 5) Localization Dashboard to gather text, String Tables that loaded from c++ are excluded...
Other String Tables that created from Editor as assets are being gathered well.
First, I followed this blog : https://benui.ca/unreal/stringtable-cpp/
Then, it was possible to access to the loaded String Tables from "Make Literal Text" blueprint node.
But when I tried to "Gather Text" on "Localization Dashboard", it didn't gather any text in the String Tables above.
After making sure that the source file is being gathered, my problem was solved.
UE forum worked for me :D