[NETE2ESDK][Linux] [LLM]The exact version should be required rather than the latest one when asking agent to install a specific .net sdk version

### Describe the bug.

The latest version is required when asking agent to install a specific net sdk version.

### Please attach log file(s) here if you have any.

[logs.zip](https://github.com/user-attachments/files/28621951/logs.zip)

### Reproduction Steps

1. On RHEL or Ubuntu , login VSCode with your GitHub Account to enable usage of CoPilot
2 . Ask the agent in the chat window to install a specific .net sdk version. e.g 10.0.106
3. Observe

### Expected Behavior

The specific .net sdk is required and installed successfully.

### Exceptions & Errors (if any)

The latest .net sdk e.g. 10.0.108 is required and installed even it show the specific .net version sdk is installed.

### .NET Install Tool Version

3.1.0-b

### Your operating system? Please provide more detail, such as the version and or distro above.

Linux

### VS Code Version

1.222.1