Bug 1876398 - Adjust y offset for new method of positioning.

See https://android-review.googlesource.com/c/platform/frameworks/support/+/2701713.
y offsets are no longer reversed when the menu is near the bottom of the screen.

app/src/main/java/org/mozilla/fenix/translations/TranslationsDialogBottomSheet.kt

@@ -632,12 +632,12 @@ private fun TranslationsDropdown(
                     offset = if (isInLandscapeMode) {
                         DpOffset(
                             -contextMenuWidthDp + ICON_SIZE,
-                            -ICON_SIZE,
+                            ICON_SIZE,
                         )
                     } else {
                         DpOffset(
                             0.dp,
-                            -ICON_SIZE,
+                            ICON_SIZE,
                         )
                     },
                 )