chore(common): fix latest warnings (#2689)

Author: ntacheva

components/treelist/columns/command.md

@@ -57,7 +57,7 @@ There are four built-in commands:
 The command column provides access to the data item via `context`. This may be useful for conditional statements or passing parameters to custom business logic.
 
 <div class="skip-repl"></div>
-```razor
+````RAZOR
 <TreeListCommandColumn>
     @{
         var product = context as ProductModel;
@@ -71,7 +71,7 @@ The command column provides access to the data item via `context`. This may be u
         }
     }
 </TreeListCommandColumn>
-```
+````
 
 ### OnClick Handler
 
@@ -88,7 +88,7 @@ The `OnClick` handler of the commands receives an argument of type `TreeListComm
 
 ## Example
 
->caption Example of handling custom commands in a treelist
+>caption Example of handling custom commands in a TreeList
 
 ````RAZOR
 @* This sample showcases custom command handling for:

knowledge-base/grid-create-reusable-columns.md

@@ -32,7 +32,7 @@ To create a reusable `GridColumn` component with templates, follow these steps:
 2. Within the custom component, conditionally render a `GridColumn` with or without templates based on the provided parameters.
 
 <div class="skip-repl"></div>
-````Index.razor
+````RAZOR Index.razor
 <TelerikGrid Data="@MyData" EditMode="@GridEditMode.Incell" Pageable="true" OnUpdate="@UpdateHandler">
     <GridColumns>
         <CustomColumn TItem="@Employee" Field="@(nameof(Employee.ID))"></CustomColumn>
@@ -97,7 +97,7 @@ To create a reusable `GridColumn` component with templates, follow these steps:
     }
 }
 ````
-````CustomColumn.razor
+````RAZOR CustomColumn.razor
 @typeparam TItem
 
 @if (IsTemplate)
@@ -153,15 +153,15 @@ else
     };
 }
 ````
-````Employee.cs
+````CS Employee.cs
 public class Employee
     {
         public int ID { get; set; }
         public string Name { get; set; }
         public int RoleId { get; set; }
     }
 ````
-````Role.cs
+````CS Role.cs
 public class Role
 {
     public int RoleId { get; set; }