Also set blobMode / blobSha for unstaged changes.

It shouldn't matter if a file has staged / unstaged changes, as long as the
file is tracked, the SHA and blob should be recorded.

This had really annoying complications because PBChangedFile used this
information to decide whether or not to delete a file from the index
when unstaging in PBGitIndexController

PBGitCommitController.m

@@ -244,12 +244,12 @@
 			if (tracked) {
 				NSString *mode = [[fileStatus objectAtIndex:0] substringFromIndex:1];
 				NSString *sha = [fileStatus objectAtIndex:2];
+				file.commitBlobSHA = sha;
+				file.commitBlobMode = mode;
 
-				if (staged) {
+				if (staged)
 					file.hasStagedChanges = YES;
-					file.commitBlobSHA = sha;
-					file.commitBlobMode = mode;
-				} else
+				else
 					file.hasUnstagedChanges = YES;
 			} else {
 				// Untracked file, set status to NEW, only unstaged changes
@@ -284,7 +284,7 @@
 		else
 			file.status = MODIFIED;
 
-		if (staged) {
+		if (tracked) {
 			file.commitBlobMode = [[fileStatus objectAtIndex:0] substringFromIndex:1];
 			file.commitBlobSHA = [fileStatus objectAtIndex:2];
 		}