[MM-62980][MM-62970] Login and Password Reset accessibility fixes (#31028)

* [MM-62980] Set aria-describedby for Input component when again custom message is set

* [MM-62970] Change password reset send link input to Input

* Fix i18n

* Fix e2e

* fix snapshots

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Co-authored-by: yasserfaraazkhan <attitude3cena.yf@gmail.com>

e2e-tests/cypress/tests/integration/channels/signin_authentication/authentication_spec.js

@@ -55,7 +55,7 @@ describe('Authentication', () => {
         cy.url().should('contain', '/reset_password');
 
         // # Enter an email that doesn't have an account on the server (but that you CAN receive email at)
-        cy.findByPlaceholderText('Email').type('test@test.com');
+        cy.get('#passwordResetEmailInput').type('test@test.com');
 
         cy.findByText('Reset my password').should('be.visible').click();
 

e2e-tests/playwright/lib/src/ui/pages/reset_password.ts

@@ -22,7 +22,7 @@ export default class ResetPasswordPage {
 
         this.title = page.locator('h1:has-text("Password Reset")');
         this.subtitle = page.locator('text=To reset your password, enter the email address you used to sign up');
-        this.emailInput = page.locator(`[placeholder="Email"]`);
+        this.emailInput = page.locator('#passwordResetEmailInput');
         this.resetButton = page.locator('#passwordResetButton');
         this.formContainer = page.locator('.signup-team__container');