OpenStreetMap: The detail map information in magnifier wouldn't update immediately after change the location.

How to reproduce:
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1. Launch the OpenStreetMap application and wait until map is loaded.
2. Tap the map and a magnifier show up with detail map information.
3. From Options to select another location.

Expected result:
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All information is updated correctly.

Actual result:
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The detail map information in magnifier wouldn't update immediately after change the location.

More detail in private JIRA: https://qtrequirements.troll.no/browse/QT-4790