Macro all proposal creation hooks, fix build issues

[codecov-commenter]

Codecov Report

Attention: 18 lines in your changes are missing coverage. Please review.

Comparison is base (d5512ea) 18.79% compared to head (25a7d91) 17.97%. Report is 2 commits behind head on master.

Files	Patch %	Lines
pallets/bridge-registry/src/lib.rs	0.00%	9 Missing :warning:
pallets/dkg-metadata/src/lib.rs	25.00%	3 Missing :warning:
dkg-runtime-primitives/src/handlers/evm/mod.rs	60.00%	2 Missing :warning:
pallets/dkg-proposal-handler/src/lib.rs	0.00%	2 Missing :warning:
dkg-gadget/src/gossip_engine/network.rs	0.00%	1 Missing :warning:
pallets/dkg-proposal-handler/src/impls.rs	90.91%	1 Missing :warning:

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #727 +/- ## ========================================== - Coverage 18.79% 17.97% -0.81% ========================================== Files 80 70 -10 Lines 5958 5945 -13 ========================================== - Hits 1119 1068 -51 - Misses 4839 4877 +38 ```

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