bug: ionic input component in @ionic/core/@5.0.6+ is not backward compatible

Bug Report

Ionic version:

[x] @ionic/core@5.x

@stencil/core@1.8.x @ionic/core@5.0.6-5.0.7

Current behavior:

When using @stencil/core@1.8.x and @ionic/core/@5.0.7 the ionic input doesn’t work properly. In specific, ion-label inside ion-item doesn’t align properly, also the popup of ion-select cannot be clicked.

The inappropriate layout in the current release:

Expected behavior:

The ion-label should align consistently, and the pop up of ion-select should be clickable as in 5.0.5.

The working appearance in previous release:

Steps to reproduce:

Try to run the project with below library version combination

@stencil/core	@ionic/core	works or not
1.8.8	5.0.5	Y
1.8.11	5.0.5	Y
1.8.11	5.0.6	N
1.8.11	5.0.7	N
1.12.1	5.0.6	Y
1.12.1	5.0.7	Y

Related code:

<ion-list>
  <ion-item>
    <ion-label position='stacked'> Label 1 </ion-label>
    <ion-select>
      <ion-select-option value='1'> option 1 </ion-select-option>
      <ion-select-option value='2'> option 2 </ion-select-option>
    </ion-select>
  </ion-item>
  <ion-item>
    <ion-label position='stacked'> Label 2 </ion-label>
    <ion-input type='text'/>
  </ion-item>
  <ion-item>
    <ion-label position='stacked'> Label 3 </ion-label>
    <ion-textarea/>
  </ion-item>
</ion-list>

Other information:

The bug appears on desktop Firefox, Chrome and Android Chrome. (not tested other environment)

Ionic info:

Ionic:

   Ionic CLI : 6.3.0 

Capacitor:

   Capacitor CLI   : 1.5.2
   @capacitor/core : 1.5.0

Utility:

   cordova-res : 0.11.0
   native-run  : not installed

System:

   NodeJS : v12.13.0 
   npm    : 6.14.4
   OS     : Linux 5.4

[liamdebeasi]

Thanks for the issue. Can you provide a repo with the code required to reproduce this issue?

[ionitron-bot[bot]]

Thanks for the issue! This issue is being locked to prevent comments that are not relevant to the original issue. If this is still an issue with the latest version of Ionic, please create a new issue and ensure the template is fully filled out.