Keep the missing image out of the condition's summary (issue 1742)

cmd/mesh-controller/image_missing.go

@@ -214,8 +214,8 @@ func watchMissingImages(f *signalFacts) []conditions.Observation {
 	for _, m := range f.images {
 		out = append(out, conditions.Observation{Scope: conditions.ScopeModule, ID: m.Module + "." + m.Node, Kind: kindImageMissing,
 			Machine: m.Node, Severity: conditions.Warning, Resolver: conditions.ResolverOperator,
-			Summary: fmt.Sprintf("%s is left out of every send to %s: its declaration names %s, which the artifact store does not hold; "+
-				"the running container is untouched", m.Module, m.Node, m.Image),
+			Summary: fmt.Sprintf("%s is left out of every send to %s: its declaration names an image that the artifact store does "+
+				"not hold (the evidence names it); the running container is untouched", m.Module, m.Node),
 			Said:     "image " + m.Image + " is not in the store",
 			Headline: clipWords(conditions.Capital(m.Module)+" is not updated on "+m.Node, conditions.HeadlineMax),
 			Explanation: clipWords(fmt.Sprintf("The new version of %s names a container image that the mesh's store does not "+