Ensure predecessors are meters when picking fallback components#18

shsms merged 3 commits intofrequenz-floss:v0.x.xfrequenz-floss/frequenz-microgrid-component-graph-rs:v0.x.xfrom

shsms:edge-case-fixshsms/frequenz-microgrid-component-graph-rs:edge-case-fixCopy head branch name to clipboard