Update sample input to jsonlines format (#1732)

Signed-off-by: Tyler Ohlsen <ohltyler@amazon.com>

Author: ohltyler

cypress/fixtures/plugins/dashboards-flow-framework/semantic_search/source_data.json

@@ -0,0 +1,7 @@
+{"item_text":"purpul high heels","item_price":150}
+{"item_text":"pair of jordans","item_price":250}
+{"item_text":"baseball cleats","item_price":85}
+{"item_text":"red pants","item_price":95}
+{"item_text":"blue skirt","item_price":55}
+{"item_text":"orange tank top","item_price":30}
+{"item_text":"maroon shorts","item_price":35}

cypress/fixtures/plugins/dashboards-flow-framework/semantic_search/source_data.jsonl

@@ -119,7 +119,7 @@ describe('Creating Workflows Using Various Methods', () => {
       .should('be.visible')
       .click();
     cy.get(`[data-text="Upload a file"]`).should('be.visible').click();
-    const filePath = `cypress/fixtures/${FF_FIXTURE_BASE_PATH}semantic_search/source_data.json`;
+    const filePath = `cypress/fixtures/${FF_FIXTURE_BASE_PATH}semantic_search/source_data.jsonl`;
     cy.get('input[type=file]').selectFile(filePath);
     cy.getElementByDataTestId('updateSourceDataButton')
       .should('be.visible')