Show backup size for list commands (#1648)

## Description

Add size and stored size to cli output for `backup list`

## Type of change

<!--- Please check the type of change your PR introduces: --->
- [x] 🌻 Feature
- [ ] 🐛 Bugfix
- [ ] 🗺️ Documentation
- [ ] 🤖 Test
- [ ] 💻 CI/Deployment
- [ ] 🐹 Trivial/Minor

## Issue(s)

<!-- Can reference multiple issues. Use one of the following "magic words" - "closes, fixes" to auto-close the Github issue. -->
* fixes https://github.com/alcionai/corso/issues/1622

## Test Plan

<!-- How will this be tested prior to merging.-->
- [ ] 💪 Manual
- [x] ⚡ Unit test
- [ ] 💚 E2E

src/pkg/backup/backup.go

@@ -89,23 +89,27 @@ func PrintAll(ctx context.Context, bs []*Backup) {
 }
 
 type Printable struct {
-	ID         model.StableID      `json:"id"`
-	ErrorCount int                 `json:"errorCount"`
-	StartedAt  time.Time           `json:"started at"`
-	Status     string              `json:"status"`
-	Version    string              `json:"version"`
-	Selectors  selectors.Printable `json:"selectors"`
+	ID            model.StableID      `json:"id"`
+	ErrorCount    int                 `json:"errorCount"`
+	StartedAt     time.Time           `json:"started at"`
+	Status        string              `json:"status"`
+	Version       string              `json:"version"`
+	Selectors     selectors.Printable `json:"selectors"`
+	BytesRead     int64               `json:"bytesRead"`
+	BytesUploaded int64               `json:"bytesUploaded"`
 }
 
 // MinimumPrintable reduces the Backup to its minimally printable details.
 func (b Backup) MinimumPrintable() any {
 	return Printable{
-		ID:         b.ID,
-		ErrorCount: support.GetNumberOfErrors(b.ReadErrors) + support.GetNumberOfErrors(b.WriteErrors),
-		StartedAt:  b.StartedAt,
-		Status:     b.Status,
-		Version:    "0",
-		Selectors:  b.Selectors.ToPrintable(),
+		ID:            b.ID,
+		ErrorCount:    support.GetNumberOfErrors(b.ReadErrors) + support.GetNumberOfErrors(b.WriteErrors),
+		StartedAt:     b.StartedAt,
+		Status:        b.Status,
+		Version:       "0",
+		Selectors:     b.Selectors.ToPrintable(),
+		BytesRead:     b.BytesRead,
+		BytesUploaded: b.BytesUploaded,
 	}
 }
 

src/pkg/backup/backup_test.go

@@ -45,8 +45,10 @@ func stubBackup(t time.Time) backup.Backup {
 			WriteErrors: errors.New("1"),
 		},
 		ReadWrites: stats.ReadWrites{
-			ItemsRead:    1,
-			ItemsWritten: 1,
+			BytesRead:     301,
+			BytesUploaded: 301,
+			ItemsRead:     1,
+			ItemsWritten:  1,
 		},
 		StartAndEndTime: stats.StartAndEndTime{
 			StartedAt:   t,
@@ -98,4 +100,7 @@ func (suite *BackupSuite) TestBackup_MinimumPrintable() {
 	bselp := b.Selectors.ToPrintable()
 	assert.Equal(t, bselp, result.Selectors, "selectors")
 	assert.Equal(t, bselp.Resources(), result.Selectors.Resources(), "selector resources")
+
+	assert.Equal(t, b.BytesRead, result.BytesRead, "size")
+	assert.Equal(t, b.BytesUploaded, result.BytesUploaded, "stored size")
 }