Add layout to V3 schema

src/Persistence/PaYaml/Models/SchemaV3/ControlInstance.cs

@@ -26,6 +26,8 @@ public ControlInstance(string controlType)
 
     public string? ComponentLibraryUniqueName { get; init; }
 
+    public string? Layout { get; init; }
+
     /// <summary>
     /// The name of the group of controls that this control should be grouped with.
     /// This does not impact the visual layout of the control or behavior, but is used to group controls together for organizational purposes from within the Studio.

src/schemas-tests/pa-yaml/v3.0/Examples/Src/Screens/FormsScreen2.pa.yaml

@@ -36,6 +36,7 @@ Screens:
                 Children:
                   - Form1:
                       Control: Form
+                      Layout: vertical
                       Properties:
                         DataSource: =Contacts
                         LayoutMinHeight: =250

src/schemas-tests/pa-yaml/v3.0/FullSchemaUses/Screens-general-controls.pa.yaml

@@ -8,6 +8,7 @@ Screens:
       - ctrlB:
           Control: Label
           Variant: variantB
+          Layout: layoutB
           Group: Group1
           Properties:
             Prop2: =ctrlBProp2
@@ -17,6 +18,7 @@ Screens:
       - ctrlA:
           Control: [email protected]
           Variant: variantA
+          Layout: layoutA
           Group: Group1
           Properties:
             Prop2: =ctrlAProp2
@@ -27,13 +29,15 @@ Screens:
       - ctrlC:
           Control: FooWithChildren
           Variant: variant2
+          Layout: layout2
           Properties:
             Prop2: =ctrlAProp2
             Prop1: =ctrlAProp1
           Children:
             - ctrlC0:
                 Control: Bar
                 Variant: variantC0
+                Layout: layoutC0
                 Group: Group1
                 Properties:
                   Prop2: =ctrlC0Prop2
@@ -42,9 +46,11 @@ Screens:
                   - ctrlC00:
                       Control: Car
                       Variant: variantC00
+                      Layout: layoutC00
             - ctrlC1:
                 Control: Bar
                 Variant: variantC1
+                Layout: layoutC1
                 Group: Group1
                 Properties:
                   Prop2: =ctrlC1Prop2
@@ -53,3 +59,4 @@ Screens:
                   - ctrlC10:
                       Control: Dog
                       Variant: variantC10
+                      Layout: layoutC10

src/schemas/pa-yaml/v3.0/pa.schema.yaml

@@ -230,6 +230,9 @@ definitions:
         Variant:
           type: string
           minLength: 1
+        Layout:
+          type: string
+          minLength: 1
         Group: true
         Properties: true
         Children: { $ref: "#/definitions/Children-Control-instance-sequence" }