[bugfix](workloadgroup) add strip quotes for workload group name in related command (apache#56084)

### What problem does this PR solve?
mysql> CREATE WORKLOAD GROUP 'test_follower_consistent_wg' 
    ->         PROPERTIES (
    ->             "min_cpu_percent"="10"
    ->         );
Query OK, 0 rows affected (0.00 sec)

drop WORKLOAD GROUP if exists 'test_follower_consistent_wg' ; Could not
find workload group, because not stip quotes.

### Release note

None

### Check List (For Author)

- Test <!-- At least one of them must be included. -->
    - [ ] Regression test
    - [ ] Unit Test
    - [ ] Manual test (add detailed scripts or steps below)
    - [ ] No need to test or manual test. Explain why:
- [ ] This is a refactor/code format and no logic has been changed.
        - [ ] Previous test can cover this change.
        - [ ] No code files have been changed.
        - [ ] Other reason <!-- Add your reason?  -->

- Behavior changed:
    - [ ] No.
    - [ ] Yes. <!-- Explain the behavior change -->

- Does this need documentation?
    - [ ] No.
- [ ] Yes. <!-- Add document PR link here. eg:
apache/doris-website#1214 -->

### Check List (For Reviewer who merge this PR)

- [ ] Confirm the release note
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Author: yiguolei

fe/fe-core/src/main/java/org/apache/doris/nereids/parser/LogicalPlanBuilder.java

@@ -6233,14 +6233,14 @@ public LogicalPlan visitAlterWorkloadGroup(AlterWorkloadGroupContext ctx) {
         String cgName = ctx.computeGroup == null ? "" : stripQuotes(ctx.computeGroup.getText());
         Map<String, String> properties = ctx.propertyClause() != null
                 ? Maps.newHashMap(visitPropertyClause(ctx.propertyClause())) : Maps.newHashMap();
-        return new AlterWorkloadGroupCommand(cgName, ctx.name.getText(), properties);
+        return new AlterWorkloadGroupCommand(cgName, stripQuotes(ctx.name.getText()), properties);
     }
 
     @Override
     public LogicalPlan visitAlterWorkloadPolicy(AlterWorkloadPolicyContext ctx) {
         Map<String, String> properties = ctx.propertyClause() != null
                 ? Maps.newHashMap(visitPropertyClause(ctx.propertyClause())) : Maps.newHashMap();
-        return new AlterWorkloadPolicyCommand(ctx.name.getText(), properties);
+        return new AlterWorkloadPolicyCommand(stripQuotes(ctx.name.getText()), properties);
     }
 
     @Override
@@ -6713,12 +6713,12 @@ public LogicalPlan visitDropUser(DropUserContext ctx) {
     @Override
     public LogicalPlan visitDropWorkloadGroup(DropWorkloadGroupContext ctx) {
         String cgName = ctx.computeGroup == null ? "" : stripQuotes(ctx.computeGroup.getText());
-        return new DropWorkloadGroupCommand(cgName, ctx.name.getText(), ctx.EXISTS() != null);
+        return new DropWorkloadGroupCommand(cgName, stripQuotes(ctx.name.getText()), ctx.EXISTS() != null);
     }
 
     @Override
     public LogicalPlan visitDropWorkloadPolicy(DropWorkloadPolicyContext ctx) {
-        return new DropWorkloadPolicyCommand(ctx.name.getText(), ctx.EXISTS() != null);
+        return new DropWorkloadPolicyCommand(stripQuotes(ctx.name.getText()), ctx.EXISTS() != null);
     }
 
     @Override
@@ -7428,7 +7428,7 @@ public Plan visitUnlockTables(UnlockTablesContext ctx) {
 
     @Override
     public LogicalPlan visitCreateWorkloadPolicy(CreateWorkloadPolicyContext ctx) {
-        String policyName = ctx.name.getText();
+        String policyName = stripQuotes(ctx.name.getText());
         boolean ifNotExists = ctx.IF() != null;
 
         List<WorkloadConditionMeta> conditions = new ArrayList<>();