MM-40414: Add empty state icons (#25282)

Automatic Merge

e2e-tests/cypress/tests/integration/channels/search/clear_input_spec.js

@@ -56,12 +56,12 @@ describe('Search', () => {
         cy.uiGetChannelPinButton().click();
 
         // * Verify the pinned post RHS is open
-        cy.uiGetRHS().should('contain', 'Pinned Posts');
+        cy.uiGetRHS().should('contain', 'Pinned messages');
 
         // # Now click on the saved post button from the header
         cy.uiGetSavedPostButton().click();
 
         // * Verify the pinned post RHS is open
-        cy.uiGetRHS().should('contain', 'Saved posts');
+        cy.uiGetRHS().should('contain', 'Saved messages');
     });
 });

e2e-tests/cypress/tests/integration/channels/search/cleared_search_term_spec.js

@@ -45,9 +45,9 @@ describe('Search', () => {
         // # Verify that the cleared search text does not appear on the search box
         cy.uiGetSearchBox().should('be.empty');
 
-        // # Click the pin icon to open the pinned posts RHS
+        // # Click the pin icon to open the pinned messages RHS
         cy.uiGetChannelPinButton().click();
-        cy.uiGetRHS().should('contain', 'Pinned Posts');
+        cy.uiGetRHS().should('contain', 'Pinned messages');
 
         // # Verify that the Search term input box is still cleared and search term does not reappear when RHS opens
         cy.uiGetSearchBox().and('be.empty');