This PR adds a condition for the local view where results are not displayed if they are larger than 500 elements (maybe we can move it up to 1000 but I want to see results with edges as well first).
Added simple alert messages to inform the user why results are not displayed and how she could get them visualized.
Video: https://user-images.githubusercontent.com/10552785/114100461-4f6b2080-9892-11eb-8ceb-f256b15f91f3.mov
To test: