fix(compiler): Fix incorrect service method renaming [fixes LNG-199]

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[linear]

LNG-199 Fix incorrect service method renaming

service Op("op"):
 someId(a: string) -> string

func foo(someId: string) -> string:
  <- Op.someId(someId)

Produces incorrect air

(seq
 (seq
  (seq
   (call %init_peer_id% ("getDataSrv" "-relay-") [] -relay-)
   (call %init_peer_id% ("getDataSrv" "someId") [] someId)
  )
  (call %init_peer_id% ("op" "someId-0") [someId] someId-0-0)
 )
 (call %init_peer_id% ("callbackSrv" "response") [someId-0-0])
)

Bug introduced while fixing LNG-92