Recognize V-suffixed clip variants

Sources/GrowthLapse/VideoProcessor.swift

@@ -725,7 +725,7 @@ final class VideoProcessor: ObservableObject {
     }
 
     private func parseDuplicateSuffix(from filenameWithoutExtension: String) -> (base: String, version: Int)? {
-        let pattern = #"^(.*\S)\s+(\d{1,3})$"#
+        let pattern = #"^(.*\S)\s+(?:V)?(\d{1,3})$"#
         guard let regex = try? NSRegularExpression(pattern: pattern),
               let match = regex.firstMatch(
                 in: filenameWithoutExtension,