debug console: do not dispose of the input model on every hide
debug console: do not dispose of the input model on every hide

fixes #127288

Microsoft/vscode,eamodio/vscode,eamodio/vscode,microsoft/vscode,eamodio/vscode,microsoft/vscode,eamodio/vscode,Microsoft/vscode,eamodio/vscode,eamodio/vscode,Microsoft/vscode,eamodio/vscode,eamodio/vscode,eamodio/vscode,microsoft/vscode,eamodio/vscode,Microsoft/vscode,Microsoft/vscode,Microsoft/vscode,microsoft/vscode,microsoft/vscode,Microsoft/vscode,Microsoft/vscode,Microsoft/vscode,eamodio/vscode,microsoft/vscode,microsoft/vscode,microsoft/vscode,eamodio/vscode,microsoft/vscode,Microsoft/vscode,microsoft/vscode,eamodio/vscode,Microsoft/vscode,microsoft/vscode,microsoft/vscode,eamodio/vscode,microsoft/vscode,Microsoft/vscode,microsoft/vscode,microsoft/vscode,Microsoft/vscode,microsoft/vscode,Microsoft/vscode,eamodio/vscode,microsoft/vscode,eamodio/vscode,Microsoft/vscode,Microsoft/vscode,eamodio/vscode,Microsoft/vscode