Improve keydown handling for grid Add Filter autocomplete

should work the same, but this way also works with oruga

tailbone/templates/grids/complete.mako

@@ -581,26 +581,34 @@
               location.href = url
           },
 
-          addFilterButton(event) {
+          addFilterInit() {
               this.addFilterShow = true
+
               this.$nextTick(() => {
+                  const input = this.$refs.addFilterAutocomplete.$el.querySelector('input')
+                  input.addEventListener('keydown', this.addFilterKeydown)
                   this.$refs.addFilterAutocomplete.focus()
               })
           },
 
+          addFilterHide() {
+              const input = this.$refs.addFilterAutocomplete.$el.querySelector('input')
+              input.removeEventListener('keydown', this.addFilterKeydown)
+              this.addFilterTerm = ''
+              this.addFilterShow = false
+          },
+
           addFilterKeydown(event) {
 
               // ESC will clear searchbox
               if (event.which == 27) {
-                  this.addFilterTerm = ''
-                  this.addFilterShow = false
+                  this.addFilterHide()
               }
           },
 
           addFilterSelect(filtr) {
               this.addFilter(filtr.key)
-              this.addFilterTerm = ''
-              this.addFilterShow = false
+              this.addFilterHide()
           },
 
           addFilter(filter_key) {

tailbone/templates/grids/filters.mako

@@ -22,7 +22,7 @@
     <b-button v-if="!addFilterShow"
               icon-pack="fas"
               icon-left="plus"
-              @click="addFilterButton">
+              @click="addFilterInit()">
       Add Filter
     </b-button>
 
@@ -38,8 +38,7 @@
                     icon-pack="fas"
                     clearable
                     clear-on-select
-                    @select="addFilterSelect"
-                    @keydown.native="addFilterKeydown">
+                    @select="addFilterSelect">
     </b-autocomplete>
 
     <b-button @click="resetView()"