Fix up fixtures again

Author: fsoikin

test-fixtures/init/subpackage/package-set-solver-warning-existing-files.txt

@@ -1,6 +1,6 @@
+‼ The --package-set and --use-solver flags are ignored when initializing a subpackage
 Initializing a new project...
 Found PureScript a.b.c, will use package set x.y.z
-‼ The --package-set and --use-solver flags are ignored when initializing a subpackage
 Found a subdir/spago.yaml file, skipping copy.
 Found existing directory subdir/src, skipping copy of sample sources
 Found existing directory subdir/test, skipping copy of sample sources

test-fixtures/init/subpackage/package-set-solver-warning.txt

@@ -1,5 +1,5 @@
+‼ The --package-set and --use-solver flags are ignored when initializing a subpackage
 Initializing a new project...
 Found PureScript a.b.c, will use package set x.y.z
-‼ The --package-set and --use-solver flags are ignored when initializing a subpackage
 Set up a new Spago project.
 Try running `spago run -p subdir`