MM-10766 - Replacing default profile image font (#8955)

* Updating default profile pic font

* Updating profile image font

* Updating test

* Use new default font if configured for old one

* Update OFL.txt

model/config.go

@@ -774,8 +774,8 @@ func (s *FileSettings) SetDefaults() {
 	}
 
 	if s.InitialFont == "" {
-		// Defaults to "luximbi.ttf"
-		s.InitialFont = "luximbi.ttf"
+		// Defaults to "nunito-bold.ttf"
+		s.InitialFont = "nunito-bold.ttf"
 	}
 
 	if s.Directory == "" {