refactor(http): moved #getErrorMessage to `@marblejs/core` module

[JozefFlakus]

PR Type

What kind of change does this PR introduce?

[ ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[x] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ ] Documentation content changes
[ ] Other... Please describe:

Does this PR introduce a breaking change?

[ ] Yes
[x] No

[codecov[bot]]

Codecov Report

Merging #369 (2b069bc) into master (cbdffda) will decrease coverage by 1.34%. The diff coverage is 92.32%.

@@            Coverage Diff             @@
##           master     #369      +/-   ##
==========================================
- Coverage   95.41%   94.06%   -1.35%     
==========================================
  Files         157      159       +2     
  Lines        2769     3100     +331     
  Branches      366      427      +61     
==========================================
+ Hits         2642     2916     +274     
- Misses        123      180      +57     
  Partials        4        4              

Impacted Files	Coverage Δ
packages/core/src/logger/logger.interface.ts	100.00% <ø> (ø)
packages/core/src/operators/index.ts	100.00% <ø> (ø)
packages/core/src/operators/use/use.operator.ts	50.00% <ø> (-50.00%)	:arrow_down:
packages/http/src/http.interface.ts	100.00% <ø> (ø)
packages/http/src/index.ts	0.00% <0.00%> (ø)
packages/http/src/router/http.router.combiner.ts	92.30% <ø> (ø)
packages/http/src/router/http.router.matcher.ts	100.00% <ø> (ø)
...ages/http/src/router/http.router.params.factory.ts	100.00% <ø> (ø)
packages/http/src/server/http.server.interface.ts	100.00% <ø> (ø)
packages/messaging/src/reply/reply.ts	100.00% <ø> (ø)
... and 139 more

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