fix styling on back button

Author: samranahm

src/components/PopoverMenu.tsx

@@ -16,6 +16,7 @@ import useThemeStyles from '@hooks/useThemeStyles';
 import useWindowDimensions from '@hooks/useWindowDimensions';
 import {isSafari} from '@libs/Browser';
 import getPlatform from '@libs/getPlatform';
+import variables from '@styles/variables';
 import {close} from '@userActions/Modal';
 import CONST from '@src/CONST';
 import type {AnchorPosition} from '@src/styles';
@@ -292,6 +293,7 @@ function BasePopoverMenu({
                 icon={Expensicons.BackArrow}
                 iconFill={theme.icon}
                 style={hasBackButtonText ? styles.pv0 : undefined}
+                additionalIconStyles={[{width: variables.iconSizeSmall, height: variables.iconSizeSmall}, styles.opacitySemiTransparent, styles.mr1]}
                 title={hasBackButtonText ? previouslySelectedItem?.backButtonText : previouslySelectedItem?.text}
                 titleStyle={hasBackButtonText ? styles.createMenuHeaderText : undefined}
                 shouldShowBasicTitle={hasBackButtonText}