People were socializing. Someone may have been giving a speech, but Elise Grenier couldn’t tell you what was said. Elise Grenier begins gathering her supplies after completing restoration of the wallpaper in the Old Louisiana Governor’s Mansion dining room. The wallpaper was designed by French artist Jean-Julien Deltil designed the scenes for Alsace, France, firm Jean Zuber and Co. in 1834.     STAFF PHOTO BY ROBIN MILLER She was too distracted by the hand-painted wallpaper, its romanticized scenes by an artist who possibly had never traveled to the United States. The slow deterioration of the masterpiece in the Old Louisiana Governor’s Mansion dining room was all Grenier noticed. “I couldn’t even concentrate,…