Prevent error when reopening markdown preview. (#107205) (#111449)
Prevent error when reopening markdown preview. (#107205) (#111449)


Microsoft/vscode,Krzysztof-Cieslak/vscode,eamodio/vscode,eamodio/vscode,eamodio/vscode,eamodio/vscode,microsoft/vscode,microsoft/vscode,microsoft/vscode,microsoft/vscode,Microsoft/vscode,eamodio/vscode,eamodio/vscode,microsoft/vscode,Krzysztof-Cieslak/vscode,Krzysztof-Cieslak/vscode,Krzysztof-Cieslak/vscode,microsoft/vscode,Microsoft/vscode,eamodio/vscode,Krzysztof-Cieslak/vscode,microsoft/vscode,Krzysztof-Cieslak/vscode,Microsoft/vscode,Microsoft/vscode,Krzysztof-Cieslak/vscode,microsoft/vscode,Microsoft/vscode,Microsoft/vscode,Microsoft/vscode,Krzysztof-Cieslak/vscode,eamodio/vscode,eamodio/vscode,microsoft/vscode,Krzysztof-Cieslak/vscode,Microsoft/vscode,Microsoft/vscode,Krzysztof-Cieslak/vscode,microsoft/vscode,Krzysztof-Cieslak/vscode,eamodio/vscode,Microsoft/vscode,Krzysztof-Cieslak/vscode,eamodio/vscode,Krzysztof-Cieslak/vscode,microsoft/vscode,eamodio/vscode,Krzysztof-Cieslak/vscode,microsoft/vscode,microsoft/vscode,Microsoft/vscode,eamodio/vscode,Microsoft/vscode,microsoft/vscode,eamodio/vscode,Microsoft/vscode,microsoft/vscode,Microsoft/vscode,eamodio/vscode,eamodio/vscode,Krzysztof-Cieslak/vscode,microsoft/vscode,eamodio/vscode,Microsoft/vscode,Microsoft/vscode,Krzysztof-Cieslak/vscode,Krzysztof-Cieslak/vscode,microsoft/vscode