fix: incorrect default right string margin

Author: EmilyV99

src/qst.cpp

@@ -3615,7 +3615,7 @@ void init_msgstr(MsgStr *str)
 	str->margins[up] = 8;
 	str->margins[down] = 0;
 	str->margins[left] = 8;
-	str->margins[right] = 0;
+	str->margins[right] = 8;
 	str->portrait_tile = 0;
 	str->portrait_cset = 0;
 	str->portrait_x = 0;

tests/test_zeditor.py

@@ -195,7 +195,7 @@ def test_export_strings(self):
         ]
         run_target.check_run('zeditor', args)
         tsv = tsv_path.read_text().splitlines()
-        self.assertEqual(tsv[2], '  IT\'S DANGEROUS TO GO      ALONE! TAKE THIS.                           	0	0	0	0	0	24	32	192	24	18	1	0	0	0	8 0 0 8	0	0	0	0	1	1	0	0	6')
+        self.assertEqual(tsv[2], '  IT\'S DANGEROUS TO GO      ALONE! TAKE THIS.                           	0	0	0	0	0	24	32	192	24	18	1	0	0	0	8 8 0 8	0	0	0	0	1	1	0	0	6')
         self.assertEqual(len(tsv), 37)
 
     def test_package_export(self):