Rename Wallet doc section 'Transferring Objects' to 'Transferring Coin'

[arun-koshy]

This section should be named transfer coin/gas. I mistakenly tried to transfer a NFT with this section instead of a coin/gas object. Probably need a little more distinction about what "objects" can be transferred with this wallet command.

arunkoshy@Aruns-MacBook-Pro debug % wallet transfer --to 2EE081526D004F6ADEB4E14292B68A8AA00E4FB3 --object-id 1212396198459c18421a309d767caad8447119fa --gas-budget 100
RPC call failed: ErrorObject { code: ServerError(-32000), message: "Attempt to transfer an object that's not a coin.", data: None }
arunkoshy@Aruns-MacBook-Pro debug % wallet transfer --to 2EE081526D004F6ADEB4E14292B68A8AA00E4FB3 --object-id 042d424826822023403021251fba4d2af66ff58f --gas-budget 100
Transfer confirmed after 253762 us
----- Certificate ----
Signed Authorities : [k#27613e1b78d1c8ebb1ac263ef7180f17eb9cffa3ab5544cd369f8be179b0327e, k#2266186afd9da10a43dd3ed73d1039c6793d2d8514db6a2407fcf835132e863b, k#e9599283c0da1ac2eedeb89a56fc49cd8f3c0d8d4ddba9b0a0a5054fe7df3ffd]
Transaction Kind : Transfer
Recipient : 2EE081526D004F6ADEB4E14292B68A8AA00E4FB3
Object ID : 042D424826822023403021251FBA4D2AF66FF58F
Sequence Number : SequenceNumber(4)
Object Digest : 0ad0fe1f973c516e39ce0395045087b05f27991e8b59f13de651859941de95f9

----- Transaction Effects ----
Status : Success { gas_cost: GasCostSummary { computation_cost: 41, storage_cost: 30, storage_rebate: 30 } }
Mutated Objects:
 - ID: 042D424826822023403021251FBA4D2AF66FF58F , Owner: Account Address ( 2EE081526D004F6ADEB4E14292B68A8AA00E4FB3 )
 - ID: 0802463E6CC7280A5B63F728EC65D7FE339CC440 , Owner: Account Address ( BC1F50EFAC62741698199ECCB2FCF30CEBF0F205 )

[Clay-Mysten]

I started a fix and convo in a TODO with:
#1743

Including Adam, Xun, and Sam for guidance on the limitations of transfer.

[Clay-Mysten]

Patrick said he was working on this. Not sure of the outcome.

[patrickkuo]

the code changes is done in #1762

[patrickkuo]

I will have a look at #1743 now