[AB-333] providing some dates as separate instants instead of relying on the member attributes

truncating date to day when displaying the date for export emote stats
fixing wrong message when confirming a command and adding missing exception handling

abstracto-application/abstracto-modules/utility/utility-int/src/main/java/dev/sheldan/abstracto/utility/model/UserInfoModel.java

@@ -6,9 +6,13 @@ import lombok.Setter;
 import lombok.experimental.SuperBuilder;
 import net.dv8tion.jda.api.entities.Member;
 
+import java.time.Instant;
+
 @Getter
 @Setter
 @SuperBuilder
 public class UserInfoModel extends SlimUserInitiatedServerContext {
     private Member  memberInfo;
+    private Instant joinDate;
+    private Instant creationDate;
 }