Revert "performance: Disable hardware acceleration to decrease the load on GPU."
Revert "performance: Disable hardware acceleration to decrease the load on GPU."

This reverts commit fb74251a2cfebdb7b4e7992999f093028852d426.

The actual problem in #213 was the infinite bouncing question mark
hotspot animation (https://github.com/zulip/zulip/issues/13760).

Signed-off-by: Anders Kaseorg <dfdb7392591db597bc41cf266a9c3bc12a2706e5@zulip.com>

zulip/zulip-desktop,zulip/zulip-desktop,zulip/zulip-desktop,zulip/zulip-desktop