adding an option to boostrapcmd to pull candidate access nodes in addition to proposed nodes

[vishalchangrani]

The bootstrapcmd is used to download all the partner node info during a network upgrade. It downloads all the nodes in the proposed table.
For the upcoming mainnet upgrade, the access nodes that have staked but have not yet been chosen and included in the proposed table must also be included. They are in the candidate table.
This PR adds an option to the bootstrap command to include those candidate access nodes.

Before we would run:

./bootstrapcmd populate-partner-infos \
--access-address=access.mainnet.nodes.onflow.org:9000 \
--network=mainnet \
--outdir=./bootstrap/mainnet25-partners

With this change we would run the same command with the additional flag include-candidate-access-nodes,

./bootstrapcmd populate-partner-infos \
--access-address=access.mainnet.nodes.onflow.org:9000 \
--network=mainnet \
--outdir=./bootstrap/mainnet25-partners \
--include-candidate-access-nodes=true

Example Output by running the command without the flag: Total partner nodes = 359

<nil> INF total nodes in proposed table total_proposed_nodes=459
<nil> INF wrote file /tmp/bootstraptest/mainnet25-partners/public-root-information/node-info.pub.61ab46c9e1421eedbfeebf2f9abafc183ed664d6a094b74b923986fbec9e76fd.json
...
...
<nil> INF wrote file /tmp/bootstraptest/mainnet25-partners/partner-weights.json
Total number of flow nodes (skipped): 100
Total number of partner nodes: 359
Number of partner nodes by role:        verification : 48       access : 179    collection : 57 consensus : 70  execution : 5

Example Output by running the command with the flag: Total partner nodes = 359 proposed + 5 candidate = 364

<nil> INF total nodes in proposed table total_proposed_nodes=459
<nil> INF total access nodes in candidate table total_candidate_access_nodes=5
<nil> INF wrote file /tmp/bootstraptest2/mainnet25-partners/public-root-information/node-info.pub.61ab46c9e1421eedbfeebf2f9abafc183ed664d6a094b74b923986fbec9e76fd.json
...
...
<nil> INF wrote file /tmp/bootstraptest2/mainnet25-partners/partner-weights.json
Total number of flow nodes (skipped): 100
Total number of partner nodes: 364
Number of partner nodes by role:        verification : 48       access : 184    collection : 57 consensus : 70  execution : 5

[vishalchangrani]

this statement filters out all nodes except the Access node (type 5)

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 3.70370% with 26 lines in your changes missing coverage. Please review.

Project coverage is 41.35%. Comparing base (62de9f2) to head (2db29f6).

Files with missing lines	Patch %	Lines
cmd/bootstrap/cmd/partner_infos.go	5.26%	18 Missing ⚠️
cmd/util/cmd/common/transactions.go	0.00%	8 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##            v0.37    #6489      +/-   ##
==========================================
- Coverage   41.44%   41.35%   -0.10%     
==========================================
  Files        2017     2009       -8     
  Lines      144049   143695     -354     
==========================================
- Hits        59706    59419     -287     
+ Misses      78138    78081      -57     
+ Partials     6205     6195      -10     

Flag	Coverage Δ
unittests	41.35% <3.70%> (-0.10%)	⬇️

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