Challenge fixes (#9528)

* Added challenge member search to progress dropdown

* Added leave challenge modal

* Allowed editing for challenge leader only

* Pevented users from editing challenge task info

* Set default progress default to daily

* Removed reward filters from user challenge progress

website/client/components/challenges/leaveChallengeModal.vue

@@ -0,0 +1,45 @@
+<template lang="pug">
+  b-modal#leave-challenge-modal(:title="$t('leaveChallenge')", size='sm', :hide-footer="true")
+    .modal-body
+      h2 {{ $t('confirmKeepChallengeTasks') }}
+      div
+        button.btn.btn-primary(@click='leaveChallenge("keep")') {{ $t('keepIt') }}
+        button.btn.btn-danger(@click='leaveChallenge("remove-all")') {{ $t('removeIt') }}
+</template>
+
+<style scoped>
+  .modal-body {
+    padding-bottom: 2em;
+  }
+</style>
+
+<script>
+import findIndex from 'lodash/findIndex';
+import { mapState } from 'client/libs/store';
+import notifications from 'client/mixins/notifications';
+
+export default {
+  props: ['challengeId'],
+  mixins: [notifications],
+  computed: {
+    ...mapState({user: 'user.data'}),
+  },
+  methods: {
+    async leaveChallenge (keep) {
+      let index = findIndex(this.user.challenges, (id) => {
+        return id === this.challengeId;
+      });
+      this.user.challenges.splice(index, 1);
+      await this.$store.dispatch('challenges:leaveChallenge', {
+        challengeId: this.challengeId,
+        keep,
+      });
+      await this.$store.dispatch('tasks:fetchUserTasks', {forceLoad: true});
+      this.close();
+    },
+    close () {
+      this.$root.$emit('bv::hide::modal', 'leave-challenge-modal');
+    },
+  },
+};
+</script>