test(list): use modern form syntax (#27187)

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## What is the current behavior?
<!-- Please describe the current behavior that you are modifying. -->

The list inset test is using the legacy form syntax in the test template
and for screenshot tests.

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Issue URL: N/A


## What is the new behavior?
<!-- Please describe the behavior or changes that are being added by
this PR. -->

- Updates the tests to use the modern form control syntax

## Does this introduce a breaking change?

- [ ] Yes
- [x] No

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and migration path for existing applications below. -->


## Other information

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screenshots of how the component looks before and after the change. -->

---------

Co-authored-by: ionitron <hi@ionicframework.com>

core/src/components/list/test/inset/index.html

@@ -55,33 +55,27 @@
             <ion-label>List Header</ion-label>
           </ion-list-header>
           <ion-item>
-            <ion-label position="stacked">Stacked Inputs</ion-label>
-            <ion-input></ion-input>
+            <ion-input label-placement="stacked" label="Stacked Inputs"></ion-input>
           </ion-item>
           <ion-item>
-            <ion-label position="stacked">Stacked Inputs</ion-label>
-            <ion-input></ion-input>
+            <ion-input label-placement="stacked" label="Stacked Inputs"></ion-input>
           </ion-item>
           <ion-item>
-            <ion-label position="stacked">Stacked Inputs</ion-label>
-            <ion-input></ion-input>
+            <ion-input label-placement="stacked" label="Stacked Inputs"></ion-input>
           </ion-item>
         </ion-list>
 
         <ion-list inset>
           <ion-item>
-            <ion-label>Default Input</ion-label>
-            <ion-input></ion-input>
+            <ion-input label="Default Input"></ion-input>
           </ion-item>
 
           <ion-item>
-            <ion-label position="stacked">Stacked Input</ion-label>
-            <ion-input></ion-input>
+            <ion-input label-placement="stacked" label="Stacked Input"></ion-input>
           </ion-item>
 
           <ion-item>
-            <ion-label>Normal Select</ion-label>
-            <ion-select>
+            <ion-select label="Normal Select">
               <ion-select-option>1</ion-select-option>
               <ion-select-option>2</ion-select-option>
               <ion-select-option>3</ion-select-option>
@@ -89,8 +83,7 @@
           </ion-item>
 
           <ion-item>
-            <ion-label position="stacked">Stacked Select</ion-label>
-            <ion-select>
+            <ion-select label-placement="stacked" label="Stacked Select">
               <ion-select-option>1</ion-select-option>
               <ion-select-option>2</ion-select-option>
               <ion-select-option>3</ion-select-option>

core/src/components/list/test/inset/list.e2e.ts

@@ -11,7 +11,7 @@ test.describe('list: inset', () => {
         <div class="wrapper" style="display: flex">
           <ion-list inset="true" style="width: 100%" lines="full">
             <ion-item>
-              <ion-input value="Input Text"></ion-input>
+              <ion-input aria-label="Input" value="Input Text"></ion-input>
             </ion-item>
             <ion-item>Pokémon Yellow</ion-item>
             <ion-item lines="inset">Super Metroid (with Inset Line)</ion-item>
@@ -33,7 +33,7 @@ test.describe('list: inset', () => {
         <div class="wrapper" style="display: flex">
           <ion-list inset="true" style="width: 100%" lines="inset">
             <ion-item>
-              <ion-input value="Input Text"></ion-input>
+              <ion-input aria-label="Input" value="Input Text"></ion-input>
             </ion-item>
             <ion-item>Pokémon Yellow</ion-item>
             <ion-item lines="full">Super Metroid (with Full Line)</ion-item>
@@ -55,7 +55,7 @@ test.describe('list: inset', () => {
         <div class="wrapper" style="display: flex">
           <ion-list inset="true" style="width: 100%" lines="none">
             <ion-item>
-              <ion-input value="Input Text"></ion-input>
+              <ion-input aria-label="Input" value="Input Text"></ion-input>
             </ion-item>
             <ion-item>Pokémon Yellow</ion-item>
             <ion-item lines="full">Super Metroid (with Full Line)</ion-item>