refactor(http): content type utility functions

[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 #351 (6f8ed5c) into next (46befd6) will decrease coverage by 0.72%. The diff coverage is 93.10%.

@@            Coverage Diff             @@
##             next     #351      +/-   ##
==========================================
- Coverage   94.91%   94.18%   -0.73%     
==========================================
  Files         135      158      +23     
  Lines        2242     3079     +837     
  Branches      301      361      +60     
==========================================
+ Hits         2128     2900     +772     
- Misses        110      174      +64     
- Partials        4        5       +1     

Impacted Files	Coverage Δ
packages/core/src/logger/logger.interface.ts	100.00% <ø> (ø)
packages/core/src/operators/use/use.operator.ts	50.00% <ø> (-50.00%)	:arrow_down:
packages/http/src/error/http.error.effect.ts	100.00% <ø> (ø)
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.matcher.ts	100.00% <ø> (ø)
...messaging/src/transport/strategies/tcp.strategy.ts	0.00% <0.00%> (ø)
packages/middleware-cors/src/applyHeaders.ts	100.00% <ø> (ø)
packages/middleware-cors/src/checkOrigin.ts	100.00% <ø> (ø)
packages/middleware-cors/src/configureResponse.ts	100.00% <ø> (ø)
... and 158 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more Δ = absolute <relative> (impact), ø = not affected, ? = missing data Powered by Codecov. Last update 173b213...6f8ed5c. Read the comment docs.