fix: multisig: Print "waiting for confirmation.."

[rjan90]

Prints an additional "waiting for confirmation.." when running lotus msig create [address1 address2] to indicate that the command is waiting for the msg to be mined into a block, and not just hanging.

Related Issues

Should fix #4053

Checklist

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• All commits have a clear commit message.
• The PR title is in the form of of <PR type>: <area>: <change being made>
  • example: fix: mempool: Introduce a cache for valid signatures
  • PR type: fix, feat, INTERFACE BREAKING CHANGE, CONSENSUS BREAKING, build, chore, ci, docs,perf, refactor, revert, style, test
  • area: api, chain, state, vm, data transfer, market, mempool, message, block production, multisig, networking, paychan, proving, sealing, wallet, deps
• This PR has tests for new functionality or change in behaviour
• If new user-facing features are introduced, clear usage guidelines and / or documentation updates should be included in https://lotus.filecoin.io or Discussion Tutorials.
• CI is green

[codecov]

Codecov Report

Merging #8368 (da64f24) into master (caeeb6a) will increase coverage by 5.48%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #8368      +/-   ##
==========================================
+ Coverage   34.75%   40.23%   +5.48%     
==========================================
  Files         678      683       +5     
  Lines       74252    74481     +229     
==========================================
+ Hits        25804    29966    +4162     
+ Misses      43636    39283    -4353     
- Partials     4812     5232     +420     

Impacted Files	Coverage Δ
cli/multisig.go	12.71% <100.00%> (+0.09%)	⬆️
extern/storage-sealing/currentdealinfo.go	72.97% <0.00%> (-3.61%)	⬇️
miner/miner.go	57.37% <0.00%> (-1.64%)	⬇️
extern/storage-sealing/fsm.go	60.73% <0.00%> (-0.68%)	⬇️
itests/kit/blockminer.go	69.02% <0.00%> (-0.55%)	⬇️
node/impl/storminer.go	22.59% <0.00%> (-0.32%)	⬇️
chain/actors/builtin/paych/mock/mock.go	71.42% <0.00%> (ø)
journal/mockjournal/journal.go	71.42% <0.00%> (ø)
lib/nullreader/reader.go	0.00% <0.00%> (ø)
chain/vectors/gen/main.go	2.36% <0.00%> (ø)
... and 138 more