fix(Sa11y): mobile iframe titles (#5043)

* fix(path): test file linting

* fix(iframes): add title to checkbox toggle mobile frame

* fix(path): add title to mobile iframe for Storybook

* fix(path): test file linting

Co-authored-by: DouG Molidor <[email protected]>

Author: kflournoy-sf

ui/components/checkbox-toggle/docs.mdx

@@ -45,7 +45,7 @@ checkbox.indeterminate = true;
 
 <MobileBlurb patternSpecificText="checkbox toggles will have an increased label text size" />
 
-<CodeView frameOnly>{getDisplayElementById(CheckboxToggleExamples.default)}</CodeView>
+<CodeView frameOnly frameTitle="Example mobile styles for checkbox toggle">{getDisplayElementById(CheckboxToggleExamples.default)}</CodeView>
 
 ## Base
 

ui/components/path/base/example.jsx

@@ -429,7 +429,7 @@ export const states = [
     id: 'mobile-default',
     label: 'Mobile: default',
     element: (
-      <SLDSFrame hideDeviceSelector>
+      <SLDSFrame hideDeviceSelector frameTitle="Example mobile styles for path">
         <PathBase />
       </SLDSFrame>
     )