PLEX-1577 fix proto helpers (#1490)

* fix CallContract conversion panic

(cherry picked from commit a6d3f48)

* Fix CallContract conversion for capaiblity

* Fix proto helpers

* Fix proto helpers

* minor fix

* add tests

* Add tests for proto helpers

* improvements to proto conversion helpers

* Add TODO

* Fix ConvertCallMsgFromProto

---------

Co-authored-by: ilija <pavlovicilija42@gmail.com>
Co-authored-by: ilija42 <57732589+ilija42@users.noreply.github.com>

Author: dhaidashenko

.tool-versions

@@ -1,5 +1,5 @@
-golang 1.24.2
+golang 1.24.5
 protoc 29.3
 protoc-gen-go-grpc 1.3.0
 golangci-lint 2.2.2
-mockery 2.53.3
+mockery 2.53.3