FCS_TLSC_EXT applies to other sections

[woodbe]

The issues raised around FCS_TLSC_EXT SFRs in most cases is also applicable to the Server and DTLS sections, though they have not been duplicated in detail here (this is more of a note about the issues and pull requests that have been submitted focused on the client).

[jfisherbah]

Noted - since this comment was originally made there has been some divergence as TLSS is more restrictive than TLSC. Responses to other issues currently being applied to all of (D)TLSC/(D)TLSS where appropriate.