I ve got two questions.
1. Why do I have two telephone number-fields/lines?
2. Why you have to click on the name of the field to be able to write something and not on the field itself?
1) Your upper field is referred to the telephone, and under it there is a label and a subject field, but as the label for the subject is empty, it is not displayed.
You can change it on the plugin settings page => Please select the "Additional options" => "Change the labels of the contact form fields and error messages" on the plugin settings page and change a necessary field.
2) This effect is produced by the script you have. Please, try to change the theme to make sure.
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