[TASK] Show information text as infobox in "Workspaces" backend module

If no record was found in "Workspaces" backend module, an information
is displayed. This text is now displayed in the typical infobox style
instead of with specific Bootstrap styling classes.

Resolves: #103714
Releases: main, 12.4
Change-Id: I78637defba53cebdfc659b2414c59b4f4dbb7bbb
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/84010
Reviewed-by: Jasmina Ließmann <minapokhalo+typo3@gmail.com>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Jasmina Ließmann <minapokhalo+typo3@gmail.com>
Reviewed-by: Benni Mack <benni@typo3.org>

typo3/sysext/workspaces/Resources/Private/Language/locallang.xlf

@@ -7,7 +7,7 @@
 				<source>Workspaces</source>
 			</trans-unit>
 			<trans-unit id="noResults" resname="noResults">
-				<source>No records found</source>
+				<source>No records found.</source>
 			</trans-unit>
 			<trans-unit id="ok" resname="ok">
 				<source>Ok</source>

typo3/sysext/workspaces/Resources/Private/Partials/WorkingTable.html

@@ -58,9 +58,10 @@
                 <typo3-workspaces-record-table></typo3-workspaces-record-table>
             </div>
             <div id="workspace-contents-empty" style="display: none">
-                <div class="shadow-sm bg-info bg-gradient p-3">
-                    <f:translate key="LLL:EXT:workspaces/Resources/Private/Language/locallang.xlf:noResults" />
-                </div>
+                <f:be.infobox
+                    message="{f:translate(key:'LLL:EXT:workspaces/Resources/Private/Language/locallang.xlf:noResults')}"
+                    state="-2"
+                />
             </div>
         </div>
         <f:render section="multiRecordSelectionActions" arguments="{stageActions: stageActions, availableStages: availableStages, showEntireWorkspaceDropDown: showEntireWorkspaceDropDown, position: 'bottom'}" />