fix(ui): adjust CirclePlay icon spacing in player controls

Add marginLeft style property to eliminate unwanted spacing between
the text and icon in the "Play Full Session" button, improving the
visual alignment and consistency of the player controls.

frontend/app/components/Session/Player/ClipPlayer/ClipPlayerControls.tsx

@@ -48,7 +48,7 @@ function ClipPlayerControls({
       <Timeline range={range} />
       <Button size="small" type="primary" onClick={showFullSession}>
         {t('Play Full Session')}
-        <CirclePlay size={16} />
+        <CirclePlay size={16} style={{ marginLeft: '0px'}} />
       </Button>
     </div>
   );