XFA - Fix the way to select page on breaking

- it aims to fix https://bugzilla.mozilla.org/show_bug.cgi?id=1716838.
  - some fonts in the pdf in the bug where bold when they shouldn't so write the font properties in the html to avoid to use some wrong inherited ones.

test/pdfs/xfa_bug1716838.pdf.link

@@ -0,0 +1 @@
+https://bugzilla.mozilla.org/attachment.cgi?id=9227473

test/test_manifest.json

@@ -962,6 +962,14 @@
        "enableXfa": true,
        "type": "eq"
     },
+    {  "id": "xfa_bug1716838",
+       "file": "pdfs/xfa_bug1716838.pdf",
+       "md5": "564ecff67be690b43c2a144ae5967034",
+       "link": true,
+       "rounds": 1,
+       "enableXfa": true,
+       "type": "eq"
+    },
     {  "id": "xfa_candidate_petitions",
        "file": "pdfs/xfa_candidate_petitions.pdf",
        "md5": "0db96a00667f8f58f94cf81022e69341",

test/unit/xfa_tohtml_spec.js

@@ -118,6 +118,10 @@ describe("XFAFactory", function () {
       expect(draw.attributes.style).toEqual({
         color: "#0c1722",
         fontFamily: '"FooBar"',
+        fontKerning: "none",
+        letterSpacing: "0px",
+        fontStyle: "normal",
+        fontWeight: "normal",
         fontSize: "6.93px",
         margin: "1px 4px 2px 3px",
         verticalAlign: "2px",