Specify custom signer scope for morph invocations

[fyrchik]

Related #749 .

[codecov]

Codecov Report

Merging #1124 (582ab01) into master (0695ec4) will decrease coverage by 0.08%.
The diff coverage is 9.09%.

❗ Current head 582ab01 differs from pull request most recent head 1ba1c2b. Consider uploading reports for the commit 1ba1c2b to get more accurate results

@@            Coverage Diff             @@
##           master    #1124      +/-   ##
==========================================
- Coverage   35.56%   35.48%   -0.09%     
==========================================
  Files         285      285              
  Lines       17936    17971      +35     
==========================================
- Hits         6379     6377       -2     
- Misses      11074    11112      +38     
+ Partials      483      482       -1     

Impacted Files	Coverage Δ
cmd/neofs-adm/internal/modules/morph/initialize.go	0.00% <0.00%> (ø)
...fs-adm/internal/modules/morph/initialize_deploy.go	0.00% <0.00%> (ø)
...neofs-adm/internal/modules/morph/initialize_nns.go	0.00% <0.00%> (ø)
cmd/neofs-adm/internal/modules/morph/subnet.go	15.86% <0.00%> (-0.04%)	⬇️
pkg/morph/client/client.go	6.93% <ø> (ø)
pkg/morph/client/nns.go	0.00% <0.00%> (ø)
pkg/morph/client/static.go	0.00% <ø> (ø)
cmd/neofs-adm/internal/modules/morph/group.go	20.00% <50.00%> (-0.59%)	⬇️

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[cthulhu-rider]

To be more clear I'd name it

Suggested change

	const contractWalletName = "contract.json"
	const contractWalletFilename = "contract.json"

[fyrchik]

Fixed

[cthulhu-rider]

Seems similar to code block in initializeManifestWallet, maybe unify them?
Btw key can be const.

[fyrchik]

Fixed.

[alexvanin]

Tried on neofs-contract v0.14.2 with group.neofs NNS record and on v0.14.0 without NNS record. With requested fix works fine.