fix: Fix the send kudos button activation - MEED-2443 - Meeds-io/MIPs#54

 (#335)

This change will fix the send kudos button activation.

kudos-webapps/src/main/webapp/vue-app/kudos/components/KudosApp.vue

@@ -305,7 +305,7 @@ export default {
       return this.numberOfKudosAllowed - this.remainingKudos;
     },
     sendButtonDisabled() {
-      return !this.kudosMessageText|| this.kudosMessageTextLength > this.MESSAGE_MAX_LENGTH || this.kudosMessageValidityLabel || !this.selectedReceiver;
+      return !this.kudosMessageText|| this.kudosMessageTextLength > this.MESSAGE_MAX_LENGTH || this.kudosMessageValidityLabel || (this.readOnlySpace && !this.selectedReceiver);
     },
     remainingPeriodLabel() {
       return this.remainingDaysToReset === 1 ? this.$t('exoplatform.kudos.label.day') : this.$t('exoplatform.kudos.label.days') ;