don't split json output by type (#725)

## Description

Prevents output printing of detail entries from splitting into
multiple json arrays when the entries contains multiple item
type.s

## Type of change

Please check the type of change your PR introduces:
- [x] 🐛 Bugfix

## Issue(s)

#501 

## Test Plan

- [x] 💪 Manual
- [ ] ⚡ Unit test
- [ ] 💚 E2E

src/cli/print/print.go

@@ -46,6 +46,11 @@ func AddOutputFlag(parent *cobra.Command) {
 	cobra.CheckErr(fs.MarkHidden("json-debug"))
 }
 
+// JSONFormat returns true if the printer plans to output as json.
+func JSONFormat() bool {
+	return outputAsJSON || outputAsJSONDebug
+}
+
 // ---------------------------------------------------------------------------------------------------------
 // Helper funcs
 // ---------------------------------------------------------------------------------------------------------

src/pkg/backup/details/details.go

@@ -24,6 +24,14 @@ type DetailsModel struct {
 // Print writes the DetailModel Entries to StdOut, in the format
 // requested by the caller.
 func (dm DetailsModel) PrintEntries(ctx context.Context) {
+	if print.JSONFormat() {
+		printJSON(ctx, dm)
+	} else {
+		printTable(ctx, dm)
+	}
+}
+
+func printTable(ctx context.Context, dm DetailsModel) {
 	perType := map[itemType][]print.Printable{}
 
 	for _, de := range dm.Entries {
@@ -42,6 +50,16 @@ func (dm DetailsModel) PrintEntries(ctx context.Context) {
 	}
 }
 
+func printJSON(ctx context.Context, dm DetailsModel) {
+	ents := []print.Printable{}
+
+	for _, ent := range dm.Entries {
+		ents = append(ents, print.Printable(ent))
+	}
+
+	print.All(ctx, ents...)
+}
+
 // Paths returns the list of Paths extracted from the Entries slice.
 func (dm DetailsModel) Paths() []string {
 	ents := dm.Entries