Add compact JSON formatting for single-element arrays in video info display

Get-VideoInfo.ps1

@@ -161,10 +161,16 @@ try {
                 $valueDisplay = ('{0} frames ({1}s, {2} fps)' -f $frames, $durationSeconds, $fps)
             }
             elseif ($fieldValue -is [array]) {
-                # Pretty-print array values as JSON, prefixed with a newline so the
+                if ($fieldValue.Count -gt 1) {
-                # multi-line output starts cleanly under the field label.
+                    # Pretty-print array values as JSON, prefixed with a newline so the
-                $jsonArray = $fieldValue | ConvertTo-Json -Depth 10
+                    # multi-line output starts cleanly under the field label.
-                $valueDisplay = [Environment]::NewLine + $jsonArray
+                    $jsonArray = $fieldValue | ConvertTo-Json -Depth 10
+                    $valueDisplay = [Environment]::NewLine + $jsonArray
+                }
+                else {
+                    $jsonArray = $fieldValue | ConvertTo-Json -Depth 10 -Compress
+                    $valueDisplay = $jsonArray
+                }
             }
             else {
                 $valueDisplay = $fieldValue