Fix: disabled and readonly checkbox/radiobutton stories (#937)

* Fix disabled args

* Fix readonly story

* Add stories for disabled and readonly with checked state

Author: bjarnef

packages/uui-checkbox/lib/uui-checkbox.story.ts

@@ -35,13 +35,27 @@ export const Error: Story = {
 
 export const Disabled: Story = {
   args: {
-    disabled: false,
+    disabled: true,
+  },
+};
+
+export const DisabledChecked: Story = {
+  args: {
+    disabled: true,
+    checked: true,
   },
 };
 
 export const Readonly: Story = {
   args: {
-    readonly: false,
+    readonly: true,
+  },
+};
+
+export const ReadonlyChecked: Story = {
+  args: {
+    readonly: true,
+    checked: true,
   },
 };
 

packages/uui-radio/lib/uui-radio.story.ts

@@ -30,12 +30,26 @@ export const Disabled: Story = {
   },
 };
 
+export const DisabledChecked: Story = {
+  args: {
+    disabled: true,
+    checked: true,
+  },
+};
+
 export const Readonly: Story = {
   args: {
     readonly: true,
   },
 };
 
+export const ReadonlyChecked: Story = {
+  args: {
+    readonly: true,
+    checked: true,
+  },
+};
+
 export const Checked: Story = {
   args: {
     checked: true,