revert scroll to bottom line

src/vs/workbench/contrib/scm/browser/scmViewPane.ts

@@ -1345,11 +1345,7 @@ class SCMInputWidget extends Disposable {
 				return;
 			}
 			textModel.setValue(value);
-			let model = this.inputEditor.getModel();
-			if (model) {
-				// scroll to bottom line
-				this.inputEditor.revealLine(model.getLineCount());
-			}
+
 			if (reason === SCMInputChangeReason.HistoryPrevious) {
 				this.inputEditor.setPosition(textModel.getFullModelRange().getStartPosition());
 			} else {