message: [contour] Print warning instead of raise when chosen font is not fixed-width.
diff: @@ -247,12 +247,12 @@ TerminalWindow::TerminalWindow(config::Config _config, string _profileName, stri
  if (!loggingSink_.good())
  throw runtime_error{ "Failed to open log file." };
  - if (!regularFont_.get().isFixedWidth())
  - throw runtime_error{ "Regular font is not a fixed-width font." };
  -
  if (profile().backgroundBlur && !enableBackgroundBlur(true))
  throw runtime_error{ "Could not enable background blur." };
  + if (!regularFont_.get().isFixedWidth())
  + cerr << "Regular font is not a fixed-width font." << endl;
  +
  resize(
  profile().terminalSize.columns * regularFont_.get().maxAdvance(),
  profile().terminalSize.rows * regularFont_.get().lineHeight()
  