YML fix

Taken from 4.3.1 wip to resolve a missing aliases header in the yml.

src/icons.yml

@@ -963,15 +963,15 @@ icons:
     id:         ban
     unicode:    f05e
     created:    1.0
+    filter:
       - delete
       - remove
       - trash
       - hide
       - block
       - stop
-    filter:
-      - block
       - abort
+      - cancel
     categories:
       - Web Application Icons
 
@@ -2126,11 +2126,11 @@ icons:
   - name:       Sort Descending
     id:         sort-desc
     unicode:    f0dd
+    created:    2.0
     filter:
       - dropdown
       - more
       - menu
-    created:    2.0
     aliases:
       - sort-down
     categories:
@@ -2150,6 +2150,7 @@ icons:
     id:         envelope
     unicode:    f0e0
     created:    2.0
+    filter:
       - email
       - e-mail
       - letter
@@ -2279,8 +2280,11 @@ icons:
     id:         exchange
     unicode:    f0ec
     created:    3.0
+    filter:
+      - transfer
     categories:
       - Web Application Icons
+      - Directional Icons
 
   - name:       Cloud Download
     id:         cloud-download
@@ -2394,6 +2398,7 @@ icons:
       - business
       - apartment
       - office
+      - company
     categories:
       - Web Application Icons
 
@@ -3602,6 +3607,7 @@ icons:
     id:         windows
     unicode:    f17a
     created:    3.2
+    filter:
       - microsoft
     categories:
       - Brand Icons
@@ -4023,6 +4029,12 @@ icons:
     id:         building
     unicode:    f1ad
     created:    4.1
+    filter:
+      - work
+      - business
+      - apartment
+      - office
+      - company
     categories:
       - Web Application Icons