message: Center the viewport around the cursor if the previous action moved the cursor at least 15 lines off screen
  Fixes
diff: @@ -1294,17 +1294,26 @@ export class ModeHandler implements vscode.Disposable {
  }
  }
  + const visibleRange = vimState.editor.visibleRanges[0];
  + const centerViewportAroundCursor =
  + visibleRange.start.line - vimState.cursorStopPosition.line >= 15 ||
  + vimState.cursorStopPosition.line - visibleRange.end.line >= 15;
  + const revealType = centerViewportAroundCursor
  + ? vscode.TextEditorRevealType.InCenter
  + : vscode.TextEditorRevealType.Default;
  +
  // Scroll to position of cursor
  if (this.vimState.currentMode === Mode.SearchInProgressMode) {
  const nextMatch = globalState.searchState!.getNextSearchMatchPosition(
  vimState.cursorStopPosition
  ).pos;
  - this.vimState.editor.revealRange(new vscode.Range(nextMatch, nextMatch));
  + this.vimState.editor.revealRange(new vscode.Range(nextMatch, nextMatch), revealType);
  } else {
  if (args.revealRange) {
  this.vimState.editor.revealRange(
  - new vscode.Range(vimState.cursorStopPosition, vimState.cursorStopPosition)
  + new vscode.Range(vimState.cursorStopPosition, vimState.cursorStopPosition),
  + revealType
  );
  }
  }
  