fix(ui): remove default video border

Author: CyanVoxel

tagstudio/src/qt/widgets/video_player.py

@@ -82,6 +82,8 @@ def __init__(self, driver: "QtDriver") -> None:
         self.scene().addItem(self.video_preview)
         self.video_preview.setAcceptedMouseButtons(Qt.MouseButton.LeftButton)
 
+        self.setStyleSheet("border-style:solid;border-width:0px;")
+
         # Set up the video tint.
         self.video_tint = self.scene().addRect(
             0,