Improve SGX check

[alexgex]

ZeroMQ SGX connection check was added to existing SGX check.

Usage:
$ curl http://YOUR_SKALE_NODE_IP:3009/status/sgx

Old response:
{"data": {"status": 0, "status_name": "CONNECTED", "sgx_wallet_version": "1.9.0"}, "error": null}

New response:
{"data": {"status_zmq": true, "status_https": true, "sgx_wallet_version": "1.9.0"}, "error": null}

No performance related changes were introduced.
No additional tests needed.

[codecov]

Codecov Report

Attention: Patch coverage is 73.33333% with 4 lines in your changes missing coverage. Please review.

Project coverage is 81.90%. Comparing base (8be5567) to head (39bd051).
Report is 5 commits behind head on v2.8.x.

Files with missing lines	Patch %	Lines
web/routes/health.py	73.33%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           v2.8.x    #1111      +/-   ##
==========================================
+ Coverage   81.89%   81.90%   +0.01%     
==========================================
  Files         102      102              
  Lines        6108     6102       -6     
==========================================
- Hits         5002     4998       -4     
+ Misses       1106     1104       -2     

Flag	Coverage Δ
	81.90% <73.33%> (+0.01%)	⬆️

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