layout: Add support for table border-spacing (#31166)

This adds support for table `border-spacing` property. Note that we do
not yet support the collapsed border model.

Co-authored-by: Oriol Brufau <obrufau@igalia.com>

tests/wpt/meta/css/css-tables/tentative/colspan-redistribution.html.ini

@@ -11,9 +11,6 @@
   [table 4]
     expected: FAIL
 
-  [table 5]
-    expected: FAIL
-
   [table 6]
     expected: FAIL
 

tests/wpt/meta/css/css-tables/tentative/table-width-redistribution-fixed-padding.html.ini

@@ -5,9 +5,6 @@
   [table 2]
     expected: FAIL
 
-  [table 3]
-    expected: FAIL
-
   [table 4]
     expected: FAIL
 

tests/wpt/meta/css/css-tables/tentative/table-width-redistribution-fixed.html.ini

@@ -11,9 +11,6 @@
   [table 5]
     expected: FAIL
 
-  [table 6]
-    expected: FAIL
-
   [table 7]
     expected: FAIL
 
@@ -53,18 +50,9 @@
   [table 19]
     expected: FAIL
 
-  [table 20]
-    expected: FAIL
-
-  [table 21]
-    expected: FAIL
-
   [table 22]
     expected: FAIL
 
-  [table 23]
-    expected: FAIL
-
   [table 24]
     expected: FAIL
 

tests/wpt/meta/css/css-tables/tentative/table-width-redistribution.html.ini

@@ -17,12 +17,6 @@
   [table 6]
     expected: FAIL
 
-  [table 7]
-    expected: FAIL
-
-  [table 8]
-    expected: FAIL
-
   [table 9]
     expected: FAIL
 
@@ -44,15 +38,6 @@
   [table 15]
     expected: FAIL
 
-  [table 16]
-    expected: FAIL
-
-  [table 17]
-    expected: FAIL
-
-  [table 18]
-    expected: FAIL
-
   [table 19]
     expected: FAIL
 

tests/wpt/meta/css/css-tables/tentative/td-box-sizing-001.html.ini

@@ -5,12 +5,6 @@
   [table 2]
     expected: FAIL
 
-  [table 3]
-    expected: FAIL
-
-  [table 4]
-    expected: FAIL
-
   [table 5]
     expected: FAIL
 
@@ -32,9 +26,6 @@
   [table 11]
     expected: FAIL
 
-  [table 12]
-    expected: FAIL
-
   [table 13]
     expected: FAIL