Fix: Optimized the test results page layout and internationalization #3221 (#9974)

### What problem does this PR solve?

Fix: Optimized the test results page layout and internationalization

- Added an empty data component for when test results are empty
- Optimized internationalization support for the paging component
- Updated the layout and style of the test results page
- Added a tooltip for when test results are empty

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

web/src/pages/dataset/testing/index.tsx

@@ -25,7 +25,7 @@ export default function RetrievalTesting() {
       <section className="flex justify-between items-center">
         <TopTitle
           title={t('knowledgeDetails.retrievalTesting')}
-          description={t('knowledgeDetails.retrievalTestingDescription')}
+          description={t('knowledgeDetails.testingDescription')}
         ></TopTitle>
         {/* <Button>Save as Preset</Button> */}
       </section>
@@ -51,6 +51,7 @@ export default function RetrievalTesting() {
           <TestingResult
             data={data}
             page={page}
+            loading={loading}
             pageSize={pageSize}
             filterValue={filterValue}
             handleFilterSubmit={handleFilterSubmit}
@@ -68,6 +69,7 @@ export default function RetrievalTesting() {
             <TestingResult
               data={data}
               page={page}
+              loading={loading}
               pageSize={pageSize}
               filterValue={filterValue}
               handleFilterSubmit={handleFilterSubmit}
@@ -83,6 +85,7 @@ export default function RetrievalTesting() {
             <TestingResult
               data={data}
               page={page}
+              loading={loading}
               pageSize={pageSize}
               filterValue={filterValue}
               handleFilterSubmit={handleFilterSubmit}