vehicle-setup: disable calibrate button if vehicle has no position av…

…ailable

The reasoning here is that without a position, the WMM cannot be used, resulting in a worse calibration.
This does NOT require a gps or dvl, there's a UI for setting a rough position estimate we can rely on.

core/frontend/src/components/vehiclesetup/configuration/compass/FullCompassCalibrator.vue

@@ -78,7 +78,12 @@
       </v-card-text>
       <v-card-actions>
         <v-spacer />
-        <v-btn v-if="state !== states.CALIBRATING" color="primary" :disabled="!compass_mask" @click="calibrate()">
+        <v-btn
+          v-if="state !== states.CALIBRATING"
+          color="primary"
+          :disabled="!compass_mask || (!coordinates || !coordinates.lat || !coordinates.lon)"
+          @click="calibrate()"
+        >
           Calibrate
         </v-btn>
         <v-btn v-if="state === states.DONE" color="primary" @click="dismiss">

core/frontend/src/components/vehiclesetup/configuration/compass/LargeVehicleCompassCalibrator.vue

@@ -33,7 +33,7 @@
         <StatusTextWatcher :style="`display : ${status_type === 'error' ? 'block' : 'none'};`" />
       </v-card-text>
       <v-card-actions class="justify-center">
-        <v-btn color="primary" :disabled="calibrating || !compass_mask" @click="calibrate()">
+        <v-btn color="primary" :disabled="calibrating || !compass_mask || !coordinates" @click="calibrate()">
           Calibrate
         </v-btn>
         <reboot-button />