Tune prompt D02KSHHPi0

Tune requirements:

• loosen m(D^0) and m(\pi^0) requirements
• tighten \chi^2_{FD}(K^0_S) requirements to compensate the increase in rate

Tested on 100k events:

StrippingReport                                                INFO Event 100000, Good event 100000
 |                                              *Decision name*|*Rate,%*|*Accepted*| *Mult*|*ms/evt*|
 |_StrippingGlobal_                                            |  0.4050|       405|       |  11.383|
 |_StrippingSequenceStreamCharm_                               |  0.4050|       405|       |  11.366|
 |!StrippingDstarD2KSHHPi0DstarD2KKPi0KSLLLine                 |  0.0080|         8|  1.875|   0.639|
 |!StrippingDstarD2KSHHPi0DstarD2KPiPi0KSDDLine                |  0.0560|        56|  2.661|   0.134|
 |!StrippingDstarD2KSHHPi0DstarD2KPiPi0KSLLLine                |  0.1160|       116|  3.491|   0.084|
 |!StrippingDstarD2KSHHPi0DstarD2PiPiPi0KSDDLine               |  0.1080|       108|  2.574|   0.118|
 |!StrippingDstarD2KSHHPi0DstarD2PiPiPi0KSLLLine               |  0.1860|       186|  3.204|   0.076|
 |!StrippingDstarD2KSHHPi0DstarD2KKPi0KSLLLine_TIMING          |  0.0080|         8|  1.875|   0.040|
 |!StrippingDstarD2KSHHPi0DstarD2KPiPi0KSDDLine_TIMING         |  0.0560|        56|  2.661|   0.032|
 |!StrippingDstarD2KSHHPi0DstarD2KPiPi0KSLLLine_TIMING         |  0.1160|       116|  3.491|   0.033|
 |!StrippingDstarD2KSHHPi0DstarD2PiPiPi0KSDDLine_TIMING        |  0.1080|       108|  2.574|   0.032|
 |!StrippingDstarD2KSHHPi0DstarD2PiPiPi0KSLLLine_TIMING        |  0.1860|       186|  3.204|   0.037|