IDEA-57637 'Commit Changes' editor: Fix text selection processing when cursor moved to the bottom of editor

Text selection by mouse is made visual positions-oriented (used to be logical positions-oriented that caused problems with soft-wrapped lines)

platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorImpl.java

@@ -2942,7 +2942,7 @@ public final class EditorImpl extends UserDataHolderBase implements EditorEx, Hi
     }
 
     if (lineNumber >= totalLines) {
-      moveCaretToScreenPos(x, logicalLineToY(totalLines - 1));
+      moveCaretToScreenPos(x, visibleLineNumberToYPosition(getVisibleLineCount() - 1));
       return;
     }