[MM-63041] Convert many inputs to the Input component, replace clientError with more correct client-side validation that conforms to the input (#31279)

* [MM-63041] Convert many inputs to the Input component, replace clientError with more correct client-side validation that conforms to the input

* Fix line length

* PR feedback

---------

Co-authored-by: Mattermost Build <build@mattermost.com>

e2e-tests/playwright/lib/src/ui/components/channels/profile_modal.ts

@@ -16,8 +16,6 @@ export default class ProfileModal {
     readonly saveButton;
     readonly cancelButton;
 
-    readonly errorText;
-
     constructor(container: Locator) {
         this.container = container;
 
@@ -30,8 +28,6 @@ export default class ProfileModal {
         this.closeButton = container.getByRole('button', {name: 'Close'});
         this.saveButton = container.locator('button:has-text("Save")');
         this.cancelButton = container.locator('button:has-text("Cancel")');
-
-        this.errorText = container.locator('#clientError');
     }
 
     async toBeVisible() {