add defaults to some rpc server cli args

[alessandromazza98]

Closes #3963

This PR adds a default value and also removes the Option for the following fields:

• auth_addr
• ws_addr
• ws_port
• http_addr
• http_port

[mattsse]

nice!

[alessandromazza98]

Got the errors, tomorrow I'll fix it

[codecov]

Codecov Report

Merging #3969 (9760382) into main (e651a18) will decrease coverage by 0.12%.
Report is 14 commits behind head on main.
The diff coverage is 53.33%.

Files Changed	Coverage Δ
bin/reth/src/args/rpc_server_args.rs	50.50% <53.33%> (-0.51%)	⬇️

... and 25 files with indirect coverage changes

Flag	Coverage Δ
integration-tests	16.37% <0.00%> (+0.82%)	⬆️
unit-tests	64.42% <53.33%> (-0.14%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
reth binary	27.12% <53.33%> (-0.04%)	⬇️
blockchain tree	83.04% <ø> (ø)
pipeline	89.82% <ø> (ø)
storage (db)	74.30% <ø> (ø)
trie	94.70% <ø> (ø)
txpool	45.58% <ø> (-1.01%)	⬇️
networking	77.67% <ø> (+<0.01%)	⬆️
rpc	58.43% <ø> (-0.32%)	⬇️
consensus	64.46% <ø> (ø)
revm	33.68% <ø> (ø)
payload builder	6.61% <ø> (ø)
primitives	87.82% <ø> (+<0.01%)	⬆️