PLTypeSplitSymbols: Fix shifted input of tilde and double quote

Shifted swipe type is TWO_WAY_HORIZONTAL, which makes it impossible to
input '`' and '"'. Change it to FOUR_WAY_CROSS.

Fixes: dea3d03 ("Add PLTypeSplitSymbols (dessalines#851)")
Signed-off-by: h67ma <szycikm@gmail.com>

app/src/main/java/com/dessalines/thumbkey/keyboards/PLTypeSplitSymbols.kt

@@ -616,7 +616,7 @@ val KB_PL_TYPESPLIT_SYMBOLS_SHIFTED =
                             size = FontSizeVariant.LARGE,
                             color = ColorVariant.PRIMARY,
                         ),
-                    swipeType = SwipeNWay.TWO_WAY_HORIZONTAL,
+                    swipeType = SwipeNWay.FOUR_WAY_CROSS,
                     swipes =
                         mapOf(
                             SwipeDirection.RIGHT to