Add explanatory message about the mnemonic(s) at the wallet creation (closing issue #2010)

[Aleoami]

No description provided.

[codecov]

Codecov Report

Merging #2047 (b41d238) into dev (cd5fd86) will increase coverage by 0.06%.
The diff coverage is 0.00%.

❗ Current head b41d238 differs from pull request most recent head e6a40fa. Consider uploading reports for the commit e6a40fa to get more accurate results

@@            Coverage Diff             @@
##              dev    #2047      +/-   ##
==========================================
+ Coverage   59.38%   59.44%   +0.06%     
==========================================
  Files         674      673       -1     
  Lines       32371    32254     -117     
==========================================
- Hits        19222    19173      -49     
+ Misses      10386    10324      -62     
+ Partials     2763     2757       -6     

Impacted Files	Coverage Δ
cmd/kaspawallet/create.go	0.00% <0.00%> (ø)
cmd/kaspawallet/keys/create.go	0.00% <0.00%> (ø)
...tructure/network/rpcclient/rpc_on_chain_changed.go	52.38% <0.00%> (-14.29%)	⬇️
app/protocol/flows/v5/blockrelay/block_locator.go	52.94% <0.00%> (-11.77%)	⬇️
...pc_get_virtual_selected_parent_chain_from_block.go	64.81% <0.00%> (-10.19%)	⬇️
...ructure/network/rpcclient/grpcclient/grpcclient.go	76.56% <0.00%> (-4.69%)	⬇️
...selectedchainstore/headers_selected_chain_store.go	72.09% <0.00%> (-3.49%)	⬇️
app/rpc/manager.go	69.23% <0.00%> (-2.87%)	⬇️
domain/domain.go	52.29% <0.00%> (-1.69%)	⬇️
infrastructure/network/addressmanager/store.go	77.84% <0.00%> (-1.27%)	⬇️
... and 22 more

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[svarogg]

lgtm