Layouts: Add various small size-improvements and fixes for some layouts

Part-of: <https://gitlab.gnome.org/World/Phosh/squeekboard/-/merge_requests/654>

data/keyboards/ara.yaml

@@ -1,12 +1,12 @@
 # Maintained by: Khaled Eldoheiri <khalid@kdehairy.com>
 ---
 outlines:
-    default:       { width: 32.95,   height: 52 }
+    default:       { width: 32.95,  height: 52 }
     altline:       { width: 48.99,  height: 52 }
     wide:          { width: 62,     height: 52 }
     change-view:   { width: 48.99,  height: 52 }
     change-view-2: { width: 62,     height: 52 }
-    spaceline:     { width: 195.65, height: 52 }
+    spaceline:     { width: 169.63, height: 52 }
     special:       { width: 35.66,  height: 52 }
     fill:          { width: 65.32,  height: 52 }
 
@@ -29,7 +29,7 @@ views:
     symbols:
         - "~ ` | · √ π τ ÷ × ¶"
         - "© ® £ € ¥ ^ ° * { }"
-        - "show_numbers   \\ / < > = [ ]  BackSpace"
+        - "show_numbers_from_symbols   \\ / < > = [ ]  BackSpace"
         - "show_letters preferences         space        . Return"
 
 buttons:
@@ -49,6 +49,11 @@ buttons:
         outline: "special"
         icon: "keyboard-mode-symbolic"
     show_numbers:
+        action:
+            set_view: "numbers"
+        outline: "change-view-2"
+        label: "123"
+    show_numbers_from_symbols:
         action:
             set_view: "numbers"
         outline: "change-view"
@@ -56,7 +61,7 @@ buttons:
     show_letters:
         action:
             set_view: "base"
-        outline: "change-view"
+        outline: "change-view-2"
         label: "ض"
     show_symbols:
         action:
@@ -67,7 +72,7 @@ buttons:
         outline: "spaceline"
         text: " "
     Return:
-        outline: "altline"
+        outline: "wide"
         icon: "key-enter"
         keysym: "Return"
     5: