message: Prevent opening more than one file selector
  Change-type: patch
diff: @@ -277,6 +277,7 @@ interface SourceSelectorState {
  showURLSelector: boolean;
  showDriveSelector: boolean;
  defaultFlowActive: boolean;
  + imageSelectorOpen: boolean;
  }
  export class SourceSelector extends React.Component<
  @@ -294,6 +295,7 @@ export class SourceSelector extends React.Component<
  showURLSelector: false,
  showDriveSelector: false,
  defaultFlowActive: true,
  + imageSelectorOpen: false,
  };
  // Bind `this` since it's used in an event's callback
  @@ -481,6 +483,7 @@ export class SourceSelector extends React.Component<
  private async openImageSelector() {
  analytics.logEvent('Open image selector');
  + this.setState({ imageSelectorOpen: true });
  try {
  const imagePath = await osDialog.selectImage();
  @@ -493,6 +496,8 @@ export class SourceSelector extends React.Component<
  await this.selectSource(imagePath, sourceDestination.File).promise;
  } catch (error) {
  exceptionReporter.report(error);
  + } finally {
  + this.setState({ imageSelectorOpen: false });
  }
  }
  @@ -609,6 +614,7 @@ export class SourceSelector extends React.Component<
  ) : (
  <>
  <FlowSelector
  + disabled={this.state.imageSelectorOpen}
  primary={this.state.defaultFlowActive}
  key="Flash from file"
  flow={{
  