Add the remaining, wide shapes for layouts

There should be a wide shape for
all available layouts, so those can be used
well on devices in horizonal orientation.

Part-of: <https://gitlab.gnome.org/World/Phosh/squeekboard/-/merge_requests/630>

data/keyboards/epo.yaml

@@ -25,7 +25,7 @@ views:
     symbols:
         - "~ ` | · √ π τ ÷ × ¶"
         - "© ® £ € ¥ ^ ° * { }"
-        - "show_numbers_from_symbols   \\ / < > = [ ]  BackSpace"
+        - "show_numbers   \\ / < > = [ ]  BackSpace"
         - "show_letters preferences         space        . Return"
     eschars:
         - "ĉ ĝ ĥ ĵ ŝ ŭ ?"