diff --git a/public/dist/scripts/app-all.js b/public/dist/scripts/app-all.js
index 81db4ac640..6ecec0c636 100644
--- a/public/dist/scripts/app-all.js
+++ b/public/dist/scripts/app-all.js
@@ -2359,7 +2359,8 @@ if(!match){return fail}
 for(i=0,len=match.length;i<len;i++){if(!process(match[i])){return fail}}
 return(date.getTime()/1000)}
 return{format:format,strtotime:strtotime}}(),true);})(window);(function(window){"use strict";window.ls.container.set('env',function(){return APP_ENV;},true);})(window);(function(window){"use strict";window.ls.container.set('form',function(){function cast(value,to){if(value&&Array.isArray(value)&&to!=='array'){value=value.map(element=>cast(element,to));return value;}
-switch(to){case'int':case'integer':value=parseInt(value);break;case'float':value=parseFloat(parseFloat(value).toFixed(2));break;case'numeric':value=Number(value);break;case'float':value=parseFloat(value);break;case'string':value=value.toString();break;case'json':value=(value)?JSON.parse(value):[];break;case'array':value=(value&&value.constructor&&value.constructor===Array)?value:[value];break;case'array-empty':value=[];break;case'bool':case'boolean':value=(value==='false')?false:value;value=!!value;break;}
+switch(to){case'int':case'integer':value=parseInt(value);break;case'float':value=parseFloat(parseFloat(value).toFixed(2));break;case'numeric':value=Number(value);break;case'float':value=parseFloat(value);break;case'string':value=value.toString();if(value.length===0){value=null;}
+break;case'json':value=(value)?JSON.parse(value):[];break;case'array':value=(value&&value.constructor&&value.constructor===Array)?value:[value];break;case'array-empty':value=[];break;case'bool':case'boolean':value=(value==='false')?false:value;value=!!value;break;}
 return value;}
 function toJson(element,json){json=json||{};let name=element.getAttribute('name');let type=element.getAttribute('type');let castTo=element.getAttribute('data-cast-to');let ref=json;if(name&&'FORM'!==element.tagName){if(name.startsWith('[')){let splitName=name.split('.');if(splitName.length>1&&splitName[0].endsWith(']')){name=splitName[splitName.length-1];}}
 if('FIELDSET'===element.tagName){if(castTo==='object'){if(json[name]===undefined){json[name]={};}
diff --git a/public/dist/scripts/app.js b/public/dist/scripts/app.js
index 1e39fbbb6b..1e80d4516e 100644
--- a/public/dist/scripts/app.js
+++ b/public/dist/scripts/app.js
@@ -265,7 +265,8 @@ if(!match){return fail}
 for(i=0,len=match.length;i<len;i++){if(!process(match[i])){return fail}}
 return(date.getTime()/1000)}
 return{format:format,strtotime:strtotime}}(),true);})(window);(function(window){"use strict";window.ls.container.set('env',function(){return APP_ENV;},true);})(window);(function(window){"use strict";window.ls.container.set('form',function(){function cast(value,to){if(value&&Array.isArray(value)&&to!=='array'){value=value.map(element=>cast(element,to));return value;}
-switch(to){case'int':case'integer':value=parseInt(value);break;case'float':value=parseFloat(parseFloat(value).toFixed(2));break;case'numeric':value=Number(value);break;case'float':value=parseFloat(value);break;case'string':value=value.toString();break;case'json':value=(value)?JSON.parse(value):[];break;case'array':value=(value&&value.constructor&&value.constructor===Array)?value:[value];break;case'array-empty':value=[];break;case'bool':case'boolean':value=(value==='false')?false:value;value=!!value;break;}
+switch(to){case'int':case'integer':value=parseInt(value);break;case'float':value=parseFloat(parseFloat(value).toFixed(2));break;case'numeric':value=Number(value);break;case'float':value=parseFloat(value);break;case'string':value=value.toString();if(value.length===0){value=null;}
+break;case'json':value=(value)?JSON.parse(value):[];break;case'array':value=(value&&value.constructor&&value.constructor===Array)?value:[value];break;case'array-empty':value=[];break;case'bool':case'boolean':value=(value==='false')?false:value;value=!!value;break;}
 return value;}
 function toJson(element,json){json=json||{};let name=element.getAttribute('name');let type=element.getAttribute('type');let castTo=element.getAttribute('data-cast-to');let ref=json;if(name&&'FORM'!==element.tagName){if(name.startsWith('[')){let splitName=name.split('.');if(splitName.length>1&&splitName[0].endsWith(']')){name=splitName[splitName.length-1];}}
 if('FIELDSET'===element.tagName){if(castTo==='object'){if(json[name]===undefined){json[name]={};}