Fix highligthing of FQDN match in logger

Related feedback:
- uBlockOrigin/uAssets#7619 (comment)

Also fixed strict-blocking of URL using FQDN.

src/js/static-net-filtering.js

@@ -923,7 +923,7 @@ const FilterAnchorHn = class extends FilterAnchorHnLeft {
     logData(details) {
         super.logData(details);
         details.pattern.push('^');
-        details.regex.push(restrSeparator);
+        details.regex.push('\\.?', restrSeparator);
     }
 
     toSelfie() {
@@ -1709,7 +1709,7 @@ const FilterHostnameDict = class {
 
     logData(details) {
         details.pattern.push('||', this.$h, '^');
-        details.regex.push(restrFromPlainPattern(this.$h), restrSeparator);
+        details.regex.push(restrFromPlainPattern(this.$h), '\\.?', restrSeparator);
     }
 
     toSelfie() {

src/js/traffic.js

@@ -254,9 +254,13 @@ const toBlockDocResult = function(url, hostname, logData) {
     // /~https://github.com/chrisaljoudi/uBlock/issues/1212
     //   Verify that the end of the match is anchored to the end of the
     //   hostname.
-    const end = match.index + match[0].length -
-                url.indexOf(hostname) - hostname.length;
-    return end === 0 || end === 1;
+    // /~https://github.com/uBlockOrigin/uAssets/issues/7619#issuecomment-653010310
+    //   Also match FQDN.
+    const hnpos = url.indexOf(hostname);
+    const hnlen = hostname.length;
+    const end = match.index + match[0].length - hnpos - hnlen;
+    return end === 0 || end === 1 ||
+           end === 2 && url.charCodeAt(hnpos + hnlen) === 0x2E /* '.' */;
 };
 
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