fix: ignore BU rows which contain whitespace only

app/services/bulk_upload/lettings/year2022/row_parser.rb

@@ -368,6 +368,7 @@ class BulkUpload::Lettings::Year2022::RowParser
       .to_hash
       .reject { |k, _| %w[bulk_upload block_log_creation].include?(k) }
       .values
+      .reject(&:blank?)
       .compact
       .empty?
   end

app/services/bulk_upload/lettings/year2023/row_parser.rb

@@ -373,6 +373,7 @@ class BulkUpload::Lettings::Year2023::RowParser
       .to_hash
       .reject { |k, _| %w[bulk_upload block_log_creation field_blank].include?(k) }
       .values
+      .reject(&:blank?)
       .compact
       .empty?
   end

spec/services/bulk_upload/lettings/year2022/row_parser_spec.rb

@@ -165,7 +165,17 @@ RSpec.describe BulkUpload::Lettings::Year2022::RowParser do
       end
     end
 
-    context "when any field is populated" do
+    context "when the only populated fields are whitespace" do
+      before do
+        parser.field_18 = " "
+      end
+
+      it "returns true" do
+        expect(parser).to be_blank_row
+      end
+    end
+
+    context "when any field is populated with something other than whitespace" do
       before do
         parser.field_1 = "1"
       end

spec/services/bulk_upload/lettings/year2023/row_parser_spec.rb

@@ -48,7 +48,17 @@ RSpec.describe BulkUpload::Lettings::Year2023::RowParser do
       end
     end
 
-    context "when any field is populated" do
+    context "when the only populated fields are whitespace" do
+      before do
+        parser.field_18 = " "
+      end
+
+      it "returns true" do
+        expect(parser).to be_blank_row
+      end
+    end
+
+    context "when any field is populated with something other than whitespace" do
       before do
         parser.field_1 = "1"
       end