Ensure axis are inverted after shared axis ranges are combined

holoviews/plotting/bokeh/element.py

@@ -567,10 +567,10 @@ def _update_range(self, axis_range, low, high, factors, invert, shared, log, str
                     offset = abs(low*0.1 if low else 0.5)
                     low -= offset
                     high += offset
-            if invert: low, high = high, low
             if shared:
                 shared = (axis_range.start, axis_range.end)
                 low, high = util.max_range([(low, high), shared])
+            if invert: low, high = high, low
             if not isinstance(low, util.datetime_types) and log and (low is None or low <= 0):
                 low = 0.01 if high < 0.01 else 10**(np.log10(high)-2)
                 self.warning("Logarithmic axis range encountered value less than or equal to zero, "