gapis/resolve: Fix commands vanishing on edit.
gapis/resolve: Fix commands vanishing on edit.

The caller private field was not being propagated, resulting the command being grouped under the 0'th command.

Fixes: #1265

baldwinn860/gapid,Qining/gapid,google/gapid,dsrbecky/gapid,google/agi,pmuetschard/gapid,pmuetschard/gapid,google/agi,google/gapid,pmuetschard/gapid,dsrbecky/gapid,pmuetschard/gapid,google/gapid,Qining/gapid,Qining/gapid,google/gapid,baldwinn860/gapid,baldwinn860/gapid,baldwinn860/gapid,google/agi,pmuetschard/gapid,dsrbecky/gapid,dsrbecky/gapid,Qining/gapid,dsrbecky/gapid,dsrbecky/gapid,google/gapid,Qining/gapid,google/gapid,baldwinn860/gapid,google/agi,google/agi,google/agi,pmuetschard/gapid,google/gapid,google/agi,google/agi,baldwinn860/gapid,google/gapid,Qining/gapid,baldwinn860/gapid,dsrbecky/gapid,pmuetschard/gapid,Qining/gapid,pmuetschard/gapid,dsrbecky/gapid,Qining/gapid,baldwinn860/gapid