Add robust parsing for force_fps field to handle non-numeric values in video metadata

Get-VideoInfo.ps1

@@ -127,9 +127,20 @@ try {
                 $fieldExists = $parsedComment.PSObject.Properties.Name -contains 'force_fps'
 
                 if ($fieldExists) {
-                    $fps = [double]$parsedComment.force_fps
+                    # force_fps may be a number (e.g. 30) or a non-numeric mode string
+                    # (e.g. "control" in some WanGP/LTX presets). Only override the
+                    # default when the value parses as a positive number.
+                    $forceFpsRaw = $parsedComment.force_fps
+                    $parsedFps = 0.0
+                    if ([double]::TryParse(
+                            [string]$forceFpsRaw,
+                            [System.Globalization.NumberStyles]::Float,
+                            [System.Globalization.CultureInfo]::InvariantCulture,
+                            [ref]$parsedFps) -and $parsedFps -gt 0) {
+                        $fps = $parsedFps
+                    }
                 }
-                
+
                 $frames = [int]$fieldValue
                 $secondsAt24fps = [Math]::Round($frames / $fps, 1)
                 $valueDisplay = ('{0} frames ({1}s, {2} fps)' -f $frames, $secondsAt24fps, $fps)