doesn't open with content:// intents, only file:// intents seem to work

Doesn't work:

intent://com.google.android.apps.docs.storage.legacy/enc%3DYOMC2bhvbx6X6_mGt3ybL1RZceCRR1csEQ6RKhAW3iJgfzHA%0A#Intent;scheme=content;type=image/svg%2Bxml;launchFlags=0x13080000;end 
------------ 
ACTION: android.intent.action.VIEW 
DATA: content://com.google.android.apps.docs.storage.legacy/enc%3DYOMC2bhvbx6X6_mGt3ybL1RZceCRR1csEQ6RKhAW3iJgfzHA%0A 
MIME: image/svg+xml 
URI: intent://com.google.android.apps.docs.storage.legacy/enc%3DYOMC2bhvbx6X6_mGt3ybL1RZceCRR1csEQ6RKhAW3iJgfzHA%0A#Intent;scheme=content;type=image/svg%2Bxml;launchFlags=0x13080000;end 
FLAGS: 
FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET 
FLAG_ACTIVITY_FORWARD_RESULT 
FLAG_ACTIVITY_PREVIOUS_IS_TOP 
FLAG_RECEIVER_FOREGROUND 

------------ 
AUFRUFBARE ACTIVITIES 
Galerie (com.android.gallery3d - com.android.gallery3d.app.GalleryActivity)

Works:

intent:///storage/emulated/0/Download/NUTS_3_regions_EU-27.2.svg#Intent;scheme=file;type=image/svg%2Bxml;launchFlags=0x13000000;end 
------------ 
ACTION: android.intent.action.VIEW 
DATA: file:///storage/emulated/0/Download/NUTS_3_regions_EU-27.2.svg 
MIME: image/svg+xml 
URI: intent:///storage/emulated/0/Download/NUTS_3_regions_EU-27.2.svg#Intent;scheme=file;type=image/svg%2Bxml;launchFlags=0x13000000;end 
FLAGS: 
FLAG_ACTIVITY_FORWARD_RESULT 
FLAG_ACTIVITY_PREVIOUS_IS_TOP 
FLAG_RECEIVER_FOREGROUND 

------------ 
AUFRUFBARE ACTIVITIES 
Galerie (com.android.gallery3d - com.android.gallery3d.app.GalleryActivity) 
Sygic (com.sygic.aura - com.sygic.aura.activity.NaviNativeActivity) 
Fennec F-Droid (org.mozilla.fennec_fdroid - org.mozilla.fennec_fdroid.App) 
Firefox (org.mozilla.firefox - org.mozilla.firefox.App) 
SVG redirect (org.schabi.svgredirect - org.schabi.svgredirect.MainActivity)

probably the same as #1

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information