OLAT-6233 : new behavior when clicking again on an image in image-detail-view...

OLAT-6233 : new behavior when clicking again on an image in image-detail-view withing the wiki: user gets back to the (normal) wiki-content-page where the image resides, instead of staying on the image-detail-view

OLAT-6393 : When accessing a wiki-page through the "History"-menu (breadcrumbs-menu on the left), a click on "Edit page" opened the wrong page in edit mode. This is fixed now.

FXOLAT-193

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branch : uzhFixes711