Fix some friend access violations by allowing others access. (#8594)

Rename Friend attribute to Access attribute.
Updates submodule to v0.21.0.0 as well.

Content.Server/Ghost/Roles/Components/GhostRoleComponent.cs

@@ -3,7 +3,7 @@ using Robust.Server.Player;
 
 namespace Content.Server.Ghost.Roles.Components
 {
-    [Friend(typeof(GhostRoleSystem))]
+    [Access(typeof(GhostRoleSystem))]
     public abstract class GhostRoleComponent : Component
     {
         [DataField("name")] public string _roleName = "Unknown";
@@ -21,6 +21,7 @@ namespace Content.Server.Ghost.Roles.Components
         // We do this so updating RoleName and RoleDescription in VV updates the open EUIs.
 
         [ViewVariables(VVAccess.ReadWrite)]
+        [Access(typeof(GhostRoleSystem), Other = AccessPermissions.ReadWriteExecute)] // FIXME Friends
         public string RoleName
         {
             get => _roleName;
@@ -32,6 +33,7 @@ namespace Content.Server.Ghost.Roles.Components
         }
 
         [ViewVariables(VVAccess.ReadWrite)]
+        [Access(typeof(GhostRoleSystem), Other = AccessPermissions.ReadWriteExecute)] // FIXME Friends
         public string RoleDescription
         {
             get => _roleDescription;
@@ -43,6 +45,7 @@ namespace Content.Server.Ghost.Roles.Components
         }
 
         [ViewVariables(VVAccess.ReadWrite)]
+        [Access(typeof(GhostRoleSystem), Other = AccessPermissions.ReadWriteExecute)] // FIXME Friends
         public string RoleRules
         {
             get => _roleRules;