fix: clarify sync button and result toasts

Show sync label when no remote changes are known
Report pulled file counts in sync success toasts
Count pulled files correctly in VS Code sync

packages/ui/src/lib/i18n/messages/en.ts

@@ -557,6 +557,7 @@ export const dict = {
   'gitView.sync.push': 'Push',
   'gitView.sync.pushTooltip': 'Push changes',
   'gitView.sync.pushTooltipAhead': 'Push changes ({count} ahead)',
+  'gitView.sync.sync': 'sync',
   'gitView.sync.syncChanges': 'Sync Changes',
   'gitView.sync.syncChangesTooltip': 'Sync Changes ({behind} down, {ahead} up)',
   'gitView.sync.syncChangesWithCounts': 'Sync Changes {behind}↓ {ahead}↑',
@@ -705,6 +706,8 @@ export const dict = {
   'gitView.toast.pulledFilesSingle': 'Pulled {count} file from {name}',
   'gitView.toast.pushedToUpstream': 'Pushed to upstream',
   'gitView.toast.commitOrStashBeforeSync': 'Commit or stash your changes before syncing',
+  'gitView.toast.syncedPulledPluralAndPushed': 'Pulled {count} files from {name} and pushed to upstream',
+  'gitView.toast.syncedPulledSingleAndPushed': 'Pulled {count} file from {name} and pushed to upstream',
   'gitView.toast.syncedChanges': 'Synced changes',
   'gitView.toast.rebaseAborted': 'Rebase aborted',
   'gitView.toast.rebaseConflictsDetected': 'Rebase conflicts detected',