What I want to achieve
Listing all webforms free from having any submission and make all users be able to create a listing of their own webform forms. This way user be able to make their own list of submission to answer.
What I have tried so far
I tried to use flag module with webform forms on views listing page. Because webform forms are config entities but not nodes like submissions I used config_views module to expose my forms to the views. With config_views module I can list all webform forms but cannot add any relation for example adding any flag module feature to my view.
Submission list(flag module) | Title (link to the form submission page)
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▣ | My book1 -- Author1
▣ | My other book -- Author2
❑ | My another book -- Author3
In the example above the third book is not selected for book reading list and the user not fill any webform submission for the third one but user will make submission for the first two forms.
The modules so far I try to use together are Views, Webforms, Config Views, Flag.