Fill the KeyID member of ErrKeyNotFound in KeyDBStore
Fill the KeyID member of ErrKeyNotFound in KeyDBStore

(Not necessary for the rest of this PR, just a related cleanup.)

Signed-off-by: Miloslav Trmač <9c008e38982a5397deb855345fb164f0558459ae@redhat.com>

menglingwei/denverdino.github.io,anweiss/docker.github.io,anweiss/docker.github.io,joaofnfernandes/docker.github.io,JimGalasyn/docker.github.io,troy0820/docker.github.io,johnstep/docker.github.io,joaofnfernandes/docker.github.io,bdwill/docker.github.io,danix800/docker.github.io,denverdino/docker.github.io,aduermael/docker.github.io,vdemeester/notary,thaJeztah/docker.github.io,troy0820/docker.github.io,alexisbellido/docker.github.io,sanscontext/docker.github.io,docker-zh/docker.github.io,anweiss/docker.github.io,shin-/docker.github.io,vdemeester/notary,joeuo/docker.github.io,joeuo/docker.github.io,menglingwei/denverdino.github.io,cyli/notary,alexisbellido/docker.github.io,gdevillele/docker.github.io,shin-/docker.github.io,docker/notary,troy0820/docker.github.io,docker/notary,rillig/docker.github.io,denverdino/docker.github.io,londoncalling/docker.github.io,denverdino/docker.github.io,endophage/notary,anweiss/docker.github.io,jfrazelle/notary,BSWANG/denverdino.github.io,LuisBosquez/docker.github.io,phiroict/docker,JimGalasyn/docker.github.io,sanscontext/docker.github.io,gdevillele/docker.github.io,denverdino/denverdino.github.io,JimGalasyn/docker.github.io,thaJeztah/docker.github.io,umayr/notary,londoncalling/docker.github.io,johnsandiford/notary,vdemeester/notary,joaofnfernandes/docker.github.io,joaofnfernandes/docker.github.io,phiroict/docker,cyli/notary,JimGalasyn/docker.github.io,londoncalling/docker.github.io,thaJeztah/docker.github.io,jzwlqx/denverdino.github.io,andrewhsu/notary,johnstep/docker.github.io,denverdino/denverdino.github.io,dqminh/notary,joeuo/docker.github.io,shin-/docker.github.io,shubheksha/docker.github.io,rillig/docker.github.io,bdwill/docker.github.io,shubheksha/docker.github.io,danix800/docker.github.io,menglingwei/denverdino.github.io,denverdino/docker.github.io,thaJeztah/docker.github.io,jzwlqx/denverdino.github.io,endophage/notary,docker-zh/docker.github.io,shubheksha/docker.github.io,dqminh/notary,menglingwei/denverdino.github.io,denverdino/denverdino.github.io,docker-zh/docker.github.io,rillig/docker.github.io,jfrazelle/notary,jfrazelle/notary,johnstep/docker.github.io,dqminh/notary,shin-/docker.github.io,jzwlqx/denverdino.github.io,LuisBosquez/docker.github.io,jzwlqx/denverdino.github.io,alexisbellido/docker.github.io,alexisbellido/docker.github.io,BSWANG/denverdino.github.io,troy0820/docker.github.io,bdwill/docker.github.io,bdwill/docker.github.io,LuisBosquez/docker.github.io,umayr/notary,phiroict/docker,HuKeping/notary,rillig/docker.github.io,anweiss/docker.github.io,denverdino/denverdino.github.io,aduermael/docker.github.io,alexisbellido/docker.github.io,cyli/notary,docker-zh/docker.github.io,docker/docker.github.io,docker-zh/docker.github.io,shubheksha/docker.github.io,JimGalasyn/docker.github.io,docker/docker.github.io,docker/docker.github.io,LuisBosquez/docker.github.io,londoncalling/docker.github.io,denverdino/docker.github.io,danix800/docker.github.io,joeuo/docker.github.io,HuKeping/notary,denverdino/denverdino.github.io,jzwlqx/denverdino.github.io,andrewhsu/notary,gdevillele/docker.github.io,HuKeping/notary,johnsandiford/notary,sanscontext/docker.github.io,joeuo/docker.github.io,aduermael/docker.github.io,LuisBosquez/docker.github.io,shin-/docker.github.io,danix800/docker.github.io,BSWANG/denverdino.github.io,johnstep/docker.github.io,gdevillele/docker.github.io,BSWANG/denverdino.github.io,docker/docker.github.io,andrewhsu/notary,menglingwei/denverdino.github.io,BSWANG/denverdino.github.io,joaofnfernandes/docker.github.io,aduermael/docker.github.io,docker/notary,endophage/notary,docker/docker.github.io,sanscontext/docker.github.io,londoncalling/docker.github.io,umayr/notary,johnstep/docker.github.io,sanscontext/docker.github.io,thaJeztah/docker.github.io,gdevillele/docker.github.io,phiroict/docker,shubheksha/docker.github.io,johnsandiford/notary,bdwill/docker.github.io,phiroict/docker