FIX(#7898): Limit scale for references TES3 values

CHANGELOG.md

@@ -160,6 +160,7 @@
     Bug #7859: AutoCalc flag is not used to calculate potion value
     Bug #7872: Region sounds use wrong odds
     Bug #7887: Editor: Mismatched reported script data size and actual data size causes a crash during save
+    Bug #7898: Editor: Invalid reference scales are allowed
     Feature #2566: Handle NAM9 records for manual cell references
     Feature #3537: Shader-based water ripples
     Feature #5173: Support for NiFogProperty

apps/opencs/model/world/columnimp.hpp

@@ -971,7 +971,7 @@ namespace CSMWorld
         void set(Record<ESXRecordT>& record, const QVariant& data) override
         {
             ESXRecordT record2 = record.get();
-            record2.mScale = data.toFloat();
+            record2.mScale = std::clamp(data.toFloat(), 0.5f, 2.0f);
             record.setModified(record2);
         }