INSERT mode and NORMAL mode are active at the same time.

Describe the bug
A clear and concise description of what the bug is.

To Reproduce

1. open a text file
2. text anything
3. switch input method to Chinese
4. hit ESC

Expected behavior
NORMOL mode and INSERT mode shouldn't active at the same time
Screenshots

Environment (please complete the following information):

my config

{
    "editor.wordSeparators": "/\\()\"':,.;<>~!@#$%^&*|+=[]{}`?-",
    "rust-client.engine": "rust-analyzer",
    "rust-client.rustupPath": "~/.cargo/bin/rustup",
    "rust.all_features": true,
    "rust.rust-analyzer.path": "",
    "vim.neovimPath": "",
    "vim.showMarksInGutter": true,
    "workbench.editor.restoreViewState": false,
    "window.restoreWindows": "none",
    "vim.autoSwitchInputMethod.enable": true,
    "vim.autoSwitchInputMethod.obtainIMCmd": "/usr/bin/fcitx5-remote",
    "vim.autoSwitchInputMethod.switchIMCmd": "/usr/bin/fcitx5-remote {im}",
    "files.autoSave": "afterDelay",
    "editor.cursorSmoothCaretAnimation": true,
    "go.toolsManagement.autoUpdate": true,
    "vim.autoSwitchInputMethod.defaultIM": "1",
    "http.proxy": "http://127.0.0.1:1081",
    "vim.smartRelativeLine": true,
    "vim.easymotion": true,
    "vim.sneak": true,
    "vim.sneakUseIgnorecaseAndSmartcase": true,
    "vim.statusBarColorControl": true,
    "vim.visualstar": true,
    "workbench.colorCustomizations": {
        "statusBar.background": "#5f0000",
        "statusBar.noFolderBackground": "#5f0000",
        "statusBar.debuggingBackground": "#5f0000"
    },
    "vim.commandLineModeKeyBindingsNonRecursive": [
    
    ]
}

• Extension (VsCodeVim) version:v1.21.8
• VSCode version:1.60.2
  7f6ab5485bbc008386c4386d08766667e155244e
  x64
• OS: Archlinux 5.10.69-1-lts

Reproduce the issue in VSCodeVim 1.21.8 using the listed steps, especially with vim.autoSwitchInputMethod enabled and the fcitx5 commands configured. Trace the input-method switching behavior after pressing ESC; done means NORMAL and INSERT modes are not shown as active at the same time.