crossing: Apply flashing_light to all footway=crossing and crossing notes

The field `flashing_light` was used on some of those presets. It is now more systematic.

I also kept them on the `traffic_signals` presets because those can have additional `flashing_lights` as well.

data/presets/highway/crossing.json

@@ -4,8 +4,8 @@
         "{@templates/crossing/markings}"
     ],
     "moreFields": [
-        "flashing_lights",
-        "kerb"
+        "kerb",
+        "flashing_lights"
     ],
     "geometry": [
         "vertex"

data/presets/highway/crossing/_marked.json

@@ -5,7 +5,8 @@
         "{@templates/crossing/defaults}",
     ],
     "moreFields": [
-        "kerb"
+        "kerb",
+        "flashing_lights"
     ],
     "geometry": [
         "vertex"

data/presets/highway/crossing/_zebra.json

@@ -5,7 +5,8 @@
         "{@templates/crossing/defaults}",
     ],
     "moreFields": [
-        "kerb"
+        "kerb",
+        "flashing_lights"
     ],
     "geometry": [
         "vertex"

data/presets/highway/crossing/traffic_signals.json

@@ -6,8 +6,9 @@
         "{@templates/crossing/defaults}",
     ],
     "moreFields": [
+        "{@templates/crossing/traffic_signal_more}",
         "kerb",
-        "{@templates/crossing/traffic_signal_more}"
+        "flashing_lights"
     ],
     "geometry": [
         "vertex"

data/presets/highway/crossing/uncontrolled.json

@@ -5,7 +5,8 @@
         "{@templates/crossing/defaults}"
     ],
     "moreFields": [
-        "kerb"
+        "kerb",
+        "flashing_lights"
     ],
     "geometry": [
         "vertex"

data/presets/highway/crossing/unmarked.json

@@ -4,7 +4,8 @@
         "{@templates/crossing/defaults}"
     ],
     "moreFields": [
-        "kerb"
+        "kerb",
+        "flashing_lights"
     ],
     "geometry": [
         "vertex"

data/presets/highway/footway/crossing/_zebra.json

@@ -8,6 +8,7 @@
     ],
     "moreFields": [
         "smoothness",
+        "flashing_lights"
     ],
     "geometry": [
         "line"

data/presets/highway/footway/crossing/traffic_signals.json

@@ -10,6 +10,7 @@
     "moreFields": [
         "{@templates/crossing/traffic_signal_more}",
         "smoothness",
+        "flashing_lights"
     ],
     "geometry": [
         "line"

data/presets/highway/path/_crossing.json

@@ -9,6 +9,7 @@
     "moreFields": [
         "smoothness",
         "{@templates/crossing/bicycle_more}",
+        "flashing_lights"
     ],
     "geometry": [
         "line"

data/presets/highway/path/crossing/_traffic_signals.json

@@ -11,6 +11,7 @@
         "{@templates/crossing/traffic_signal_more}",
         "smoothness",
         "{@templates/crossing/bicycle_more}",
+        "flashing_lights"
     ],
     "geometry": [
         "line"