[AIRFLOW-3569] Add "Trigger DAG" button in DAG page (/www_rbac only) (#4373)
[AIRFLOW-3569] Add "Trigger DAG" button in DAG page (/www_rbac only) (#4373)

To have the Manual Trigger DAG button in the DAG page as well,
rather than only in the home page.
Acehaidrey/incubator-airflow,mrkm4ntr/incubator-airflow,mistercrunch/airflow,adamhaney/airflow,apache/airflow,DinoCow/airflow,airbnb/airflow,DinoCow/airflow,cfei18/incubator-airflow,fenglu-g/incubator-airflow,Acehaidrey/incubator-airflow,DinoCow/airflow,apache/incubator-airflow,bolkedebruin/airflow,nathanielvarona/airflow,Acehaidrey/incubator-airflow,spektom/incubator-airflow,Fokko/incubator-airflow,bolkedebruin/airflow,sekikn/incubator-airflow,Acehaidrey/incubator-airflow,mtagle/airflow,apache/incubator-airflow,fenglu-g/incubator-airflow,cfei18/incubator-airflow,dhuang/incubator-airflow,mtagle/airflow,nathanielvarona/airflow,apache/airflow,danielvdende/incubator-airflow,spektom/incubator-airflow,artwr/airflow,Fokko/incubator-airflow,mrkm4ntr/incubator-airflow,apache/airflow,nathanielvarona/airflow,adamhaney/airflow,lyft/incubator-airflow,danielvdende/incubator-airflow,Acehaidrey/incubator-airflow,sekikn/incubator-airflow,fenglu-g/incubator-airflow,r39132/airflow,adamhaney/airflow,fenglu-g/incubator-airflow,bolkedebruin/airflow,r39132/airflow,sekikn/incubator-airflow,artwr/airflow,mtagle/airflow,sekikn/incubator-airflow,dhuang/incubator-airflow,mistercrunch/airflow,apache/incubator-airflow,r39132/airflow,apache/incubator-airflow,wooga/airflow,danielvdende/incubator-airflow,mrkm4ntr/incubator-airflow,DinoCow/airflow,lyft/incubator-airflow,cfei18/incubator-airflow,wileeam/airflow,spektom/incubator-airflow,apache/airflow,Acehaidrey/incubator-airflow,artwr/airflow,danielvdende/incubator-airflow,nathanielvarona/airflow,danielvdende/incubator-airflow,bolkedebruin/airflow,cfei18/incubator-airflow,artwr/airflow,dhuang/incubator-airflow,apache/airflow,mrkm4ntr/incubator-airflow,apache/airflow,mtagle/airflow,wileeam/airflow,mistercrunch/airflow,cfei18/incubator-airflow,wileeam/airflow,danielvdende/incubator-airflow,Fokko/incubator-airflow,airbnb/airflow,wooga/airflow,airbnb/airflow,spektom/incubator-airflow,bolkedebruin/airflow,mistercrunch/airflow,cfei18/incubator-airflow,lyft/incubator-airflow,adamhaney/airflow,airbnb/airflow,Fokko/incubator-airflow,r39132/airflow,wooga/airflow,dhuang/incubator-airflow,wooga/airflow,nathanielvarona/airflow,wileeam/airflow,lyft/incubator-airflow,nathanielvarona/airflow