allow print/bed temp to fall back to first layer settings if they are omitted

notes.md

@@ -55,7 +55,6 @@
 
 * `B` multiple parts with one angled against origin "floats" in preview
 * `B` re-add progress calls for all work units
-* `B` disable support layer (top/bottom) offsets in belt mode
 * `F` arrange should just align down Z. no side to side.
 
 # CAM
@@ -71,7 +70,6 @@
 * `B` climb vs conventional not fully consistent after refactor
 * `B` outside cutting direction in roughing mode inverted
 
-* `F` add layout spacing preference
 * `F` import SVG into a path that can be overlaid onto a 3D mesh (laser?)
 * `F` intelligently turn circle hole pocket clear into spiral down
 * `F` trace follow hole that matches endmill should turn into a drill op

src/kiri/init.js

@@ -46,7 +46,6 @@
         platform = API.platform,
         selection = API.selection,
         proto = location.protocol,
-        root = "grid.space",
         ver = Date.now().toString(36);
 
     let currentDevice = null,
@@ -1403,8 +1402,6 @@
     function init_one() {
         API.event.emit('init.one');
 
-        $('gsbox').src = `${proto}//${root}/kiri/gsbox.png?ver=${ver}`;
-
         // ensure we have settings from last session
         API.conf.restore();
 

src/mode/fdm/export.js

@@ -101,8 +101,8 @@
             retSpeed = process.outputRetractSpeed * 60; // range
             retDwell = process.outputRetractDwell || 0; // range
             timeDwell = retDwell / 1000;
-            nozzleTemp = process.outputTemp;
-            bedTemp = process.outputBedTemp;
+            nozzleTemp = process.outputTemp || process.firstLayerNozzleTemp;
+            bedTemp = process.outputBedTemp || process.firstLayerBedTemp;
             fanSpeed = process.outputFanSpeed;
             Object.assign(subst, {
                 temp_bed: bedTemp,