David Négrier 55767f2c78 Fixing image tileset key
If 2 maps share the same tileset name (even if they use 2 different URLs for the tileset), the tileset image will be reused wrongly.

This commit fixes the tileset key to make it equal to the image URL.
2020-07-07 18:22:10 +02:00
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2020-07-07 18:22:10 +02:00
2020-04-11 15:11:22 +02:00
2020-06-19 14:29:29 +02:00
2020-04-11 15:11:22 +02:00