fix: Fix error messages returned by HelmChartGetter (#598)

**What problem does this PR solve?**:
Puts the namespace and name in the right order in a log message, and
includes these in the corresponding error message, instead of a data
value that's not human-readable.

**Which issue(s) this PR fixes**:
Fixes #

**How Has This Been Tested?**:
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Author: dlipovetsky

pkg/handlers/generic/lifecycle/config/cm.go

@@ -76,18 +76,18 @@ func (h *HelmChartGetter) For(
 	name Component,
 ) (*HelmChart, error) {
 	log.Info(
-		fmt.Sprintf("Fetching HelmChart info for %s from configmap %s/%s",
+		fmt.Sprintf("Fetching HelmChart info for %q from configmap %s/%s",
 			string(name),
-			h.cmName,
-			h.cmNamespace),
+			h.cmNamespace,
+			h.cmName),
 	)
 	cm, err := h.get(ctx)
 	if err != nil {
 		return nil, err
 	}
 	d, ok := cm.Data[string(name)]
 	if !ok {
-		return nil, fmt.Errorf("did not find key %s in %v", name, cm.Data)
+		return nil, fmt.Errorf("did not find key %q in configmap %s/%s", name, h.cmNamespace, h.cmName)
 	}
 	var settings HelmChart
 	err = yaml.Unmarshal([]byte(d), &settings)