Revert "Revert "Temporarily disable CSP in Nextcloud.""

mentioned in commit 884aa2ac

mentioned in commit 2f77a828

mentioned in commit a659f766

mentioned in commit 53d94347

mentioned in commit 46aa03f4

mentioned in commit 2a58af83

mentioned in commit d033f5cd

mentioned in commit 1a53105c

mentioned in commit 0b05858c

mentioned in commit 2042ebb4

mentioned in commit a5fb6f51

mentioned in commit eadadc4c

mentioned in commit f1fdac23

mentioned in commit 91b8702f

mentioned in commit fc21e2d4

mentioned in commit f2bc3443

mentioned in commit 30bc1ba4

mentioned in commit b954ec2a

mentioned in commit a025739a

mentioned in commit 340d31f3

mentioned in commit bef16966

mentioned in commit 05c9e7ad

mentioned in commit dbb9e4f8

mentioned in commit 4e8f110b

mentioned in commit a08eb6bb

mentioned in commit b1d12ea0

mentioned in commit 0d9f0522

mentioned in commit c50cdc5c

mentioned in commit 23ff1e54

mentioned in commit 49fa7418