:recycle: Refactor of profiler logic

backend/lib/schemas/profiles.js

     responses: surveyResponseSchema.list,
     reveal: Joi.array().items(),
     tags: tagSchema.list,
-    image: Joi.any(),
+    media: Joi.any(),
     blurb: Joi.any(),
     user_type: Joi.any(),
     user: userSchema.single,

backend/lib/services/profile/profiler.js

         this.profile_id = profile.profile_id // int profile_id
         this.responses = profile.responses
         this.user_type = type
-
+        this.blurb = ''
+        this.profile_media = []
+        this.profile_languages = []
         this.profile_prefs = this.getPrefsFromResponses(this.responses)
 
         otherProfileInfo.forEach(prefName => {
             if (prefName == 'blurb') {
-                this.profile_description = this.responses.find(
+                const blurbRes = this.responses.find(
                     r => r.response_key_id === config.blurbKey,
-                ).val
+                )
+                this.profile_description = blurbRes ? blurbRes.val : ''
             } else if (['media', 'lang'].includes(prefName)) {
                 const key =
                     prefName == 'media'
                         ? `profile_${prefName}`
                         : [`profile_${prefName}uages`]
-                this[key] = this.responses
-                    .filter(r => r.response_key_id === config[`${prefName}Key`])
-                    .map(r => r.val)
+                const resForKey = this.responses.filter(
+                    r => r.response_key_id === config[`${prefName}Key`],
+                )
+                this[key] = resForKey.length ? resForKey.map(r => r.val) : []
             }
         })
         // TODO: These should be getters
         return unscoredProfilePreferences.reduce((byPref, prefName) => {
             byPref[prefName] = this.responses.find(
                 r => config[`${prefName}Key`] == r.response_key_id,
-            ).val
+            )?.val
             return byPref
         }, {})
     }