fix: use same color for labels and boxes

[3omer]

Label's color is always set to (255, 0, 0)
I changed it to use same color used for drawing boxes

[3omer]

test example

from imageai.Detection import ObjectDetection
import os

execution_path = os.getcwd()

detector = ObjectDetection()
detector.setModelTypeAsRetinaNet()
detector.setModelPath( os.path.join(execution_path , "resnet50_coco_best_v2.0.1.h5")) # Download the model via this link https://github.com/OlafenwaMoses/ImageAI/releases/tag/1.0
detector.loadModel()
detector._ObjectDetection__box_color = (0, 0, 255) #This is red in BGR 
detections = detector.detectObjectsFromImage(input_image=os.path.join(execution_path , "2.jpg"), 
output_image_path=os.path.join(execution_path , "2_detected.jpg"), 
minimum_percentage_probability=40)

for eachObject in detections:
    print(eachObject["name"] , " : ", eachObject["percentage_probability"], " : ", eachObject["box_points"] )
    print("--------------------------------")

Result before the change:

Result after the change:

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 65.28%. Comparing base (c4baba9) to head (b5d82e7).
⚠️ Report is 95 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #635      +/-   ##
==========================================
- Coverage   66.53%   65.28%   -1.25%     
==========================================
  Files          40       40              
  Lines        3762     3762              
==========================================
- Hits         2503     2456      -47     
- Misses       1259     1306      +47     

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