Commit185b4fa

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fix: Fix unstable tkagg small plot size.

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Original file line number	Diff line number	Diff line change
`@@ -638,6 +638,14 @@ def __init__(self, canvas, window=None, *, pack_toolbar=True):`
`638`	`638`	`window=canvas.get_tk_widget().master`
`639`	`639`	`tk.Frame.__init__(self,master=window,borderwidth=2,`
`640`	`640`	`width=int(canvas.figure.bbox.width),height=50)`
	`641`	`+# Avoid message_label expanding the toolbar size, and in turn expanding the`
	`642`	`+# canvas size.`
	`643`	`+# Without pack_propagate(False), when the user defines a small figure size`
	`644`	`+# (e.g. 2x2):`
	`645`	`+# 1. Figure size that is bigger than the user's expectation.`
	`646`	`+# 2. When message_label is refreshed by mouse enter/leave, the canvas`
	`647`	`+# size will also be changed.`
	`648`	`+self.pack_propagate(False)`
`641`	`649`
`642`	`650`	`self._buttons= {}`
`643`	`651`	`fortext,tooltip_text,image_file,callbackinself.toolitems:`

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