Add changelog entry for #7841

CHANGELOG.md

@@ -150,6 +150,7 @@
     Bug #7796: Absorbed enchantments don't restore magicka
     Bug #7832: Ingredient tooltips show magnitude for Fortify Maximum Magicka effect
     Bug #7840: First run of the launcher doesn't save viewing distance as the default value
+    Bug #7841: Editor: "Dirty" water heights are saved in modified CELLs
     Feature #2566: Handle NAM9 records for manual cell references
     Feature #3537: Shader-based water ripples
     Feature #5173: Support for NiFogProperty