Add wizard to edit SampleValueControl attributes

[JakobVogelsang]

As a system configuration engineer, I want to edit attributes of the SCL element SampledValueControl.

Requirement:

• shall be accessible from the select wizard for SampledValueControl (Show sampled value control blocks #426 )
• shall be accessible from the Substation editor type plugin
• shall be accessible from the IED editor type plugin
• the attribute confRev shall not be editable but shall be updated automatically +10000 each time an update action of this control block or its child elements is triggered

Type description:

attribute	description
name	the name of the sampled value control block - must be unique within LN0
desc	description
smvID	id for the sampled value control block
multicast	whether the control block is of type multicast false is deprecated
smpRate	sample rate its interpretation depends on smpMode
nofASDU	number of samples per (Ethernet) packet
smpMode	the mode of the attribute smpRate
securityEnable	security status of the sampled value control block
confRev	READ_ONLY attribute updated by OpenSCD automatic

Restriction :

attribute	required	pattern	min length	max length
name	yes	tCBName	1	32
desc	no	xs:normalizedString	0
smvID	yes	tMessageID	1	129
multicast	yes	xs:boolean
smpRate	yes	xs:unsignedInt	0
nofASDU	yes	xs:unsignedInt	0
smpMode	no	tSmpMod
securityEnable	no	tPredefinedTypeOfSecurityEnum

Type definition:

type	pattern/value range	min length	max length
tCBName	[A-Za-z][0-9A-Za-z_]*	1	32
tMessageID	[ -~]*	1	60
tSmpMod	SmpPerPeriod, SmpPerSec, SecPerSmp
tPredefinedTypeOfSecurityEnum	None, Signature, SignatureAndEncryption

Further Information Link

Edition 1 vs Edition 2

• the restrictions are valid for Ed2.1 and can differ for Ed1 and Ed2. This shall not be taken into account for not