Fix OneDrive restore regressions (#953)

## Description

Fixes a couple of regressions that got introduced on the restore path via code review changes and
kopia wrapper refactor.

Found while writing the OneDrive restore test. Would have been prevented if we had said test.

## Type of change

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

## Test Plan

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

src/internal/connector/onedrive/item.go

@@ -96,10 +96,10 @@ type itemWriter struct {
 }
 
 const (
-	contentRangeHeaderKey  = "Content-Range"
-	contentLengthHeaderKey = "Content-Length"
-	// Format for Content-Length is "bytes <start>-<end>/<total>"
-	contentLengthHeaderValueFmt = "bytes %d-%d/%d"
+	contentRangeHeaderKey = "Content-Range"
+	// Format for Content-Range is "bytes <start>-<end>/<total>"
+	contentRangeHeaderValueFmt = "bytes %d-%d/%d"
+	contentLengthHeaderKey     = "Content-Length"
 )
 
 // Write will upload the provided data to OneDrive. It sets the `Content-Length` and `Content-Range` headers based on
@@ -117,7 +117,7 @@ func (iw *itemWriter) Write(p []byte) (n int, err error) {
 	// data in the current request
 	resp, err := client.R().
 		SetHeaders(map[string]string{
-			contentRangeHeaderKey: fmt.Sprintf(contentLengthHeaderValueFmt,
+			contentRangeHeaderKey: fmt.Sprintf(contentRangeHeaderValueFmt,
 				iw.lastWrittenOffset,
 				endOffset-1,
 				iw.contentLength),

src/internal/connector/onedrive/restore.go

@@ -136,7 +136,7 @@ func createRestoreFolders(ctx context.Context, service graph.Service, driveID st
 			continue
 		}
 
-		if err != errFolderNotFound {
+		if !errors.Is(err, errFolderNotFound) {
 			return "", errors.Wrapf(err, "folder %s not found in drive(%s) parentFolder(%s)", folder, driveID, parentFolderID)
 		}
 

src/internal/connector/support/status.go

@@ -56,7 +56,8 @@ func CreateStatus(
 			"status object count does not match errors + successes",
 			"objects", objects,
 			"successes", success,
-			"errors", numErr)
+			"numErrors", numErr,
+			"errors", err.Error())
 	}
 
 	return &status

src/internal/kopia/wrapper.go

@@ -535,6 +535,7 @@ func getItemStream(
 	return &kopiaDataStream{
 		uuid:   decodedName,
 		reader: r,
+		size:   f.Size(),
 	}, nil
 }
 

src/internal/kopia/wrapper_test.go

@@ -72,6 +72,10 @@ func testForFiles(
 			require.NoError(t, err, "reading collection item: %s", fullPath)
 
 			assert.Equal(t, expected, buf, "comparing collection item: %s", fullPath)
+
+			require.Implements(t, (*data.StreamSize)(nil), s)
+			ss := s.(data.StreamSize)
+			assert.Equal(t, len(buf), int(ss.Size()))
 		}
 	}