Revert decimal rounding order, fix profile settings (#4314)

* Revert rounding post subtraction in GET balance

* Switch to panic = "unwind" in release mode

* Use profile 'release-labrinth'

* Fix target path

apps/labrinth/Dockerfile

@@ -8,13 +8,13 @@ ARG GIT_HASH
 RUN --mount=type=cache,target=/usr/src/labrinth/target \
   --mount=type=cache,target=/usr/local/cargo/git/db \
   --mount=type=cache,target=/usr/local/cargo/registry \
-  SQLX_OFFLINE=true cargo build --release --package labrinth
+  SQLX_OFFLINE=true cargo build --profile release-labrinth --package labrinth
 
 FROM build AS artifacts
 
 RUN --mount=type=cache,target=/usr/src/labrinth/target \
   mkdir /labrinth \
-  && cp /usr/src/labrinth/target/release/labrinth /labrinth/labrinth \
+  && cp /usr/src/labrinth/target/release-labrinth/labrinth /labrinth/labrinth \
   && cp -r /usr/src/labrinth/apps/labrinth/migrations /labrinth \
   && cp -r /usr/src/labrinth/apps/labrinth/assets /labrinth
 

apps/labrinth/src/routes/v3/payouts.rs

@@ -1028,7 +1028,9 @@ async fn get_user_balance(
         });
 
     Ok(UserBalance {
-        available: (available - withdrawn - fees).round_dp(16),
+        available: available.round_dp(16)
+            - withdrawn.round_dp(16)
+            - fees.round_dp(16),
         withdrawn_lifetime: withdrawn.round_dp(16),
         withdrawn_ytd: withdrawn_this_year.round_dp(16),
         pending,