config: enable hybrid mode by default

[algorandskiy]

Summary

Set EnableP2PHybridMode to true in config defaults.

Most of the changes are about to make tests work with EnableP2PHybridMode=true. It is either to set PublicAddress and P2PHybridNetAddress (e2e-subs, expect tests) or to override EnableP2PHybridMode back to FALSE value (e2e-go).

Test Plan

Existing tests

[jannotti]

If a user really doesn't want to run p2p, they would edit their config file by hand ahead of upgrade, and set it to false. Then we would respect that change because it's explicit?

[gmalouf]

We might want to add an additional algocfg option for running a client with P2P disabled, but otherwise this looks good.

[codecov]

Codecov Report

Attention: Patch coverage is 6.66667% with 14 lines in your changes missing coverage. Please review.

Project coverage is 51.84%. Comparing base (8118cfe) to head (c5aa428).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
netdeploy/network.go	0.00%	12 Missing ⚠️
cmd/algocfg/profileCommand.go	33.33%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6319      +/-   ##
==========================================
- Coverage   51.86%   51.84%   -0.03%     
==========================================
  Files         652      652              
  Lines       87442    87457      +15     
==========================================
- Hits        45353    45341      -12     
- Misses      39227    39247      +20     
- Partials     2862     2869       +7     

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