fix using shift on watch page (#8491)

Co-authored-by: absidue <48293849+absidue@users.noreply.github.com>

Author: efb4f5ff-1298-471a-8973-3d47447115dc

src/renderer/components/ft-shaka-video-player/ft-shaka-video-player.js

@@ -2283,6 +2283,9 @@ export default defineComponent({
           changeVolume(-0.05)
           break
         case KeyboardShortcuts.VIDEO_PLAYER.PLAYBACK.SMALL_REWIND:
+          if (event.shiftKey) {
+            break
+          }
           event.preventDefault()
           if (canChapterJump(event, 'previous')) {
             // Jump to the previous chapter
@@ -2294,6 +2297,9 @@ export default defineComponent({
           }
           break
         case KeyboardShortcuts.VIDEO_PLAYER.PLAYBACK.SMALL_FAST_FORWARD:
+          if (event.shiftKey) {
+            break
+          }
           event.preventDefault()
           if (canChapterJump(event, 'next')) {
             // Jump to the next chapter