refactor: Update useTreeManagement.ts for backup functionality

Update the useTreeManagement.ts file to improve the backup functionality. This includes dynamically setting the backup title and text based on the current tree name or date and time. Additionally, update the dialog title to reflect the backup details. These changes enhance the user experience and make the backup feature more informative.

src/hooks/useTreeManagement.ts

@@ -580,10 +580,10 @@ export const useTreeManagement = () => {
           encoding: Encoding.UTF8,
         });
         await Share.share({
-          title: 'TaskTrees Backup title',
-          text: 'TaskTrees Backup text',
+          title: `TaskTrees Backup ${currentTreeName}`,
+          text: `TaskTrees Backup ${currentTreeName}`,
           url: result.uri,
-          dialogTitle: 'TaskTrees Backup dialog title',
+          dialogTitle: `TaskTrees Backup ${currentTreeName}`,
         });
         return result.uri;
       } catch (error) {
@@ -639,10 +639,10 @@ export const useTreeManagement = () => {
           encoding: Encoding.UTF8,
         });
         await Share.share({
-          title: 'TaskTrees Backup title',
-          text: 'TaskTrees Backup text',
+          title: `TaskTrees All Backup ${getCurrentDateTime()}`,
+          text: `TaskTrees All Backup ${getCurrentDateTime()}`,
           url: result.uri,
-          dialogTitle: 'TaskTrees Backup dialog title',
+          dialogTitle: `TaskTrees All Backup ${getCurrentDateTime()}`,
         });
         return Promise.resolve(result.uri);
       } else {