Merge branch '1927-boolean-filtertype-breaks-comparing-null-values' into 'develop'

Resolve "Boolean filterType breaks comparing null values"

Closes #1927 and #1534

See merge request baserow/baserow!1611

changelog/entries/unreleased/bug/1927_boolean_filtertype_breaks_comparing_null_values.json

@@ -0,0 +1,7 @@
+{
+    "type": "bug",
+    "message": "BooleanViewFilterType breaks comparing null values causing the frontend to crash.",
+    "issue_number": 1927,
+    "bullet_points": [],
+    "created_at": "2023-08-25"
+}

web-frontend/modules/database/viewFilters.js

@@ -1566,7 +1566,12 @@ export class BooleanViewFilterType extends ViewFilterType {
     filterValue = trueString.includes(
       filterValue.toString().toLowerCase().trim()
     )
+
+    if (rowValue === null) {
+      rowValue = false
+    } else {
       rowValue = trueString.includes(rowValue.toString().toLowerCase().trim())
+    }
     return filterValue ? rowValue : !rowValue
   }
 }