Docking animation for right side doesn't reappear after size adjustment while floating

In my current layout, I have a table in a dock widget that is initially docked (right side). I adjust the contents of the QMainWindow by connecting a function to topLevelChanged() to fill the blank space while floating

self.log_dock.topLevelChanged.connect(self.resize_dock)

def resize_dock(self):
        layout = self.tb_utils.findChild(QtWidgets.QLayout)
        layout.setExpanded(True)
        self.adjustSize()

This works wonderfully - however; after doing so - I'm not entirely sure how to get it to redock to it's original position, or animate to expand the window again. If I manually adjust the QMainWindow slightly, it will allow the dock - or it can be moved into another dock area, and then moved back into position - but this is not ideal.

EDIT: New program using minimal reproducible example

from PyQt5 import uic
from PyQt5.QtWidgets import QApplication, QMainWindow, QLayout
import sys

gui = uic.loadUiType('dock_behavior.ui')[0]

class Window(QMainWindow, gui):
    def __init__(self):
        super(Window, self).__init__()
        self.setupUi(self)
        self._connectEvents()
        
    def _connectEvents(self):
        self.dockWidget.topLevelChanged.connect(self.resize_dock)
        self.show_dock.toggled.connect(self.enable_dock)
        
    def resize_dock(self):     
        self.adjustSize()        
        layout = self.toolBar.findChild(QLayout)
        layout.setExpanded(True)
                
    def enable_dock(self):
        self.dockWidget.toggleViewAction().trigger()
        
if __name__ == "__main__":
    app = QApplication(sys.argv)
    window = Window()
    window.show()
    sys.exit(app.exec_())

The GUI as produced by Qt Designer

MainWindow
name="MainWindow">
  

0
0
825
600




500
600



MainWindow





19
19
461
541




461
541



QFrame::StyledPanel


QFrame::Raised




19
19
411
501








toolBar


Qt::RightToLeft


TopToolBarArea


false






291
0



2





true


Show / Hide Dock