feat: hide background image select when background is not checked

src/components/ImageExportDialog.tsx

@@ -197,6 +197,7 @@ const ImageExportModal = ({
           label={t("imageExportDialog.label.withBackground")}
           name="exportBackgroundSwitch"
         >
+          {exportWithBackground && (
             <Select
               items={EXPORT_BACKGROUND_IMAGES}
               ariaLabel={t("imageExportDialog.label.backgroundImage")}
@@ -213,6 +214,7 @@ const ImageExportModal = ({
                 }
               }}
             />
+          )}
           <Switch
             name="exportBackgroundSwitch"
             checked={exportWithBackground}