[Network] enable subscription filter except ghost node

[synzhu]

Previously, this was disabled on everything except localnet.

Instead, we can probably only disable it for ghost nodes.

[codecov-commenter]

Codecov Report

Merging #1365 (f6ed91b) into master (28a6922) will increase coverage by 0.01%.
The diff coverage is 52.80%.

@@           Coverage Diff           @@
##           master    #1365   +/-   ##
=======================================
  Coverage   56.25%   56.26%           
=======================================
  Files         500      502    +2     
  Lines       31162    31208   +46     
=======================================
+ Hits        17531    17560   +29     
- Misses      11262    11275   +13     
- Partials     2369     2373    +4     

Flag	Coverage Δ
unittests	56.26% <52.80%> (+<0.01%)	⬆️

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

Impacted Files	Coverage Δ
consensus/config.go	0.00% <0.00%> (ø)
consensus/participant.go	15.95% <0.00%> (ø)
model/flow/role.go	89.36% <ø> (ø)
network/p2p/middleware.go	0.00% <0.00%> (ø)
network/test/testUtil.go	94.90% <ø> (ø)
network/topology/helper.go	82.35% <ø> (-1.86%)	⬇️
network/p2p/libp2pNode.go	65.45% <28.57%> (-1.11%)	⬇️
network/p2p/subscription_filter.go	47.82% <47.82%> (ø)
network/topology/randomizedTopology.go	66.07% <50.00%> (ø)
network/topology/topicBasedTopology.go	71.25% <50.00%> (ø)
... and 8 more

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[huitseeker]

See #1210 for context.

@smnzhu thanks!

[synzhu]

bors merge

[synzhu]

bors merge

[bors]

Already running a review

[bors]

Build succeeded:

• Integration Tests (1.15)
• Integration Tests (1.16)
• Lint
• Unit Tests (1.15)
• Unit Tests (1.16)