Prevent crash when missing inflator

src/lib/components/legislation_view/parameters/inflation_view/InflationLawHeader.svelte

@@ -183,21 +183,27 @@
   let inflatorWithLatestByReformName = $derived(
     Object.fromEntries(
       Object.entries(inflatorByReformName ?? []).map(
-        ([reformName, reformParameter]) => [
+        ([reformName, reformParameter]) => {
+          return [
             reformName,
             {
               ...reformParameter,
-            values: Object.fromEntries([
+              values:
+                typeof reformParameter.values === "object"
+                  ? Object.fromEntries([
                       ...Object.entries(reformParameter.values),
                       [
                         "latest",
                         Object.entries(reformParameter.values).sort(
-                  ([instant1], [instant2]) => instant2.localeCompare(instant1),
+                          ([instant1], [instant2]) =>
+                            instant2.localeCompare(instant1),
                         )[0][1],
                       ],
-            ]),
+                    ])
+                  : [],
+            },
+          ]
         },
-        ],
       ),
     ),
   )
@@ -223,7 +229,7 @@
   )
 
   let billInflatorValue = $derived(
-    billInflator !== undefined
+    billInflator !== undefined && billInflator.values["latest"] !== undefined
       ? billInflator.values["latest"].value
       : undefined,
   )

src/lib/components/legislation_view/parameters/inflation_view/InflationLawInfoModal.svelte

@@ -68,21 +68,27 @@
   let inflatorWithLatestByReformName = $derived(
     Object.fromEntries(
       Object.entries(inflatorByReformName ?? []).map(
-        ([reformName, reformParameter]) => [
+        ([reformName, reformParameter]) => {
+          return [
             reformName,
             {
               ...reformParameter,
-            values: Object.fromEntries([
+              values:
+                typeof reformParameter.values === "object"
+                  ? Object.fromEntries([
                       ...Object.entries(reformParameter.values),
                       [
                         "latest",
                         Object.entries(reformParameter.values).sort(
-                  ([instant1], [instant2]) => instant2.localeCompare(instant1),
+                          ([instant1], [instant2]) =>
+                            instant2.localeCompare(instant1),
                         )[0][1],
                       ],
-            ]),
+                    ])
+                  : [],
+            },
+          ]
         },
-        ],
       ),
     ),
   )