Update to QM tree insertions after deployment of an AW failed.

[dmatch01]

Steps to recreate:

Create a quota tree similar to the following:

                           node name: my-quota-tree-root-node
                           cpu: 100
                                 |
                                 | 
_________________________________|_________________________________ 
|                                                                 |
|                                                                 |
node name: my-quota-tree-a-node                                   node name: my-quota-tree-123-node
cpu: 50                                                           cpu: 75

Deploy an AW (AW1) allocating cpu=10 quota on node node name: my-quota-tree-123-node.

Update quota tree to the following:

                           node name: my-quota-tree-root-node
                           cpu: 100
                                 |
                                 | 
_________________________________|_________________________________ 
|                                                                 |
|                                                                 |
node name: my-quota-tree-a-node                                   node name: my-quota-tree-123-node
cpu: 50                                                           cpu: 75
                                                                              |
                                                                              |
                                             _________________________________|______________________________ 
                                             |                                                                                                                            |
                                             |                                                                                                                            |
                                    node name: my-quota-tree-b-node                                         node name: my-quota-tree-c-node
                                    cpu: 25                                                                 cpu: 35

Deploy an AW (AW2) allocating cpu=5 quota on node node name: my-quota-tree-b-node

Issue: AW2 stays in the queue and does not dispatch even there enough quota and resources.