Explicitly define plugin id for thumbnail plugins

Otherwise, the desktop to json conversion interprets them as the same file


(cherry picked from commit ff2ded2d)

src/plugins/runner/gpx/marble_thumbnail_gpx.desktop

@@ -39,6 +39,7 @@ Name[zh_CN]=GPX 地理数据
 Name[zh_TW]=GPX 地理資料
 
 X-KDE-ServiceTypes=ThumbCreator
+X-KDE-PluginInfo-Name=marble_thumbnail_gpx
 MimeType=application/gpx+xml;
 
 X-KDE-Library=marblethumbnail

src/plugins/runner/json/marble_thumbnail_geojson.desktop

@@ -34,6 +34,7 @@ Name[zh_CN]=GeoJSON 地理数据
 Name[zh_TW]=GeoJSON 地理資料
 
 X-KDE-ServiceTypes=ThumbCreator
+X-KDE-PluginInfo-Name=marble_thumbnail_geojson
 MimeType=application/geo+json;
 
 X-KDE-Library=marblethumbnail

src/plugins/runner/kml/marble_thumbnail_kml.desktop

@@ -39,6 +39,7 @@ Name[zh_CN]=KML 地理数据
 Name[zh_TW]=KML 地理資料
 
 X-KDE-ServiceTypes=ThumbCreator
+X-KDE-PluginInfo-Name=marble_thumbnail_kml
 MimeType=application/vnd.google-earth.kml+xml;
 
 X-KDE-Library=marblethumbnail

src/plugins/runner/kml/marble_thumbnail_kmz.desktop

@@ -39,6 +39,7 @@ Name[zh_CN]=KML 压缩地理数据
 Name[zh_TW]=KML 地理壓縮資料
 
 X-KDE-ServiceTypes=ThumbCreator
+X-KDE-PluginInfo-Name=marble_thumbnail_kmz
 MimeType=application/vnd.google-earth.kmz;
 
 X-KDE-Library=marblethumbnail

src/plugins/runner/osm/marble_thumbnail_osm.desktop

@@ -39,6 +39,7 @@ Name[zh_CN]=OSM 数据
 Name[zh_TW]=OSM 資料
 
 X-KDE-ServiceTypes=ThumbCreator
+X-KDE-PluginInfo-Name=marble_thumbnail_osm
 MimeType=application/x-osm+xml;
 
 X-KDE-Library=marblethumbnail

src/plugins/runner/shp/marble_thumbnail_shp.desktop

@@ -39,6 +39,7 @@ Name[zh_CN]=ESRI 形状文件
 Name[zh_TW]=ESRI Shapefile
 
 X-KDE-ServiceTypes=ThumbCreator
+X-KDE-PluginInfo-Name=marble_thumbnail_shp
 MimeType=application/x-esri-shape;
 
 X-KDE-Library=marblethumbnail