[SR-14910] Implement DateComponentsFormatter.copy

[YOCKOW]

Previous ID	SR-14910
Radar	None
Original Reporter	@YOCKOW
Type	Sub-task

Additional Detail from JIRA

Votes	0
Component/s	Foundation
Labels	Sub-task
Assignee	None
Priority	Medium

md5: d78af571595be8ff52b4734bc22e6138

Parent-Task:

• SR-14908 Implement func copy() in subclasses of Formatter.

Issue Description: