Merge remote-tracking branch 'origin/main' into validation

# Conflicts:
#	lib/importer/backend.test.js

Author: alaricsp

fixtures/realistic.ods

@@ -0,0 +1,2 @@
+A,B,
+1,2,

fixtures/trailing-column.csv

@@ -29,13 +29,15 @@ table.selectable td {
     border-right-width: 1px;
     white-space: pre-wrap;
     font-variant-numeric: tabular-nums;
+    min-width: 8em;
+    max-width: 15em;
 }
 
 table.selectable th *,
 table.selectable td * {
     box-sizing: border-box;
     font-family: inherit;
-    cursor: inherit
+    cursor: inherit;
 }
 
 table.selectable th a,
@@ -237,6 +239,10 @@ table.selectable:not(.editable) tbody:empty::before {
     box-sizing: border-box
 }
 
+table.selectable td.selected.focus {
+    border: 2px solid blue;
+}
+
 table.selectable tbody td,
 table.selectable tbody td.selected.focus {
     background-color: white