add collapsableChildren to docs and add default value for collapsable (#4365)

Author: sammy-SC

docs/view.md

@@ -365,9 +365,19 @@ Represents the textual description of the component. Has precedence over the `te
 
 Views that are only used to layout their children or otherwise don't draw anything may be automatically removed from the native hierarchy as an optimization. Set this property to `false` to disable this optimization and ensure that this `View` exists in the native view hierarchy.
 
-| Type |
-| ---- |
-| bool |
+| Type    | Default |
+| ------- | ------- |
+| boolean | true    |
+
+---
+
+### `collapsableChildren`
+
+Setting to false prevents direct children of the view from being removed from the native view hierarchy, similar to the effect of setting `collapsable={false}` on each child.
+
+| Type    | Default |
+| ------- | ------- |
+| boolean | true    |
 
 ---
 

website/versioned_docs/version-0.76/view.md

@@ -365,9 +365,19 @@ Represents the textual description of the component. Has precedence over the `te
 
 Views that are only used to layout their children or otherwise don't draw anything may be automatically removed from the native hierarchy as an optimization. Set this property to `false` to disable this optimization and ensure that this `View` exists in the native view hierarchy.
 
-| Type |
-| ---- |
-| bool |
+| Type    | Default |
+| ------- | ------- |
+| boolean | true    |
+
+---
+
+### `collapsableChildren`
+
+Setting to false prevents direct children of the view from being removed from the native view hierarchy, similar to the effect of setting `collapsable={false}` on each child.
+
+| Type    | Default |
+| ------- | ------- |
+| boolean | true    |
 
 ---