fix: unset CLI argument wrongly overwrite config file settings with default value

[hfudev]

No description provided.

[github-actions]

Coverage Report

File	Stmts	Miss	Cover	Missing
idf_build_apps
__main__.py	3	3	0%	4–9
app.py	523	81	85%	206, 251, 260–262, 294, 306, 323, 364–365, 368, 378–379, 390–393, 453–458, 478, 516, 572–580, 590–591, 601, 619–620, 622, 638–647, 663–701, 706–707, 711–712, 723–725, 731, 832–840, 850–880, 884–894, 985–991, 994, 1016
args.py	275	31	89%	291, 298, 319–324, 334–339, 505, 508–509, 515, 525–527, 530, 555–556, 559–560, 689–690, 751, 753, 813, 832–842
autocompletions.py	29	24	17%	16–23, 31–54
constants.py	63	9	86%	20–21, 33–38, 47–48, 61–62
finder.py	83	6	93%	78–79, 149, 166–168
log.py	48	4	92%	37, 50, 55, 80
main.py	199	65	67%	76–80, 94–99, 140–144, 174, 198–200, 204, 209–222, 237–240, 251–276, 366–373, 382–383, 396, 404–418, 422–423, 429–431
session_args.py	54	7	87%	46–50, 56, 70
utils.py	188	23	88%	26, 35, 113, 130–131, 151–155, 203, 246, 273–279, 292–295, 314–315, 380
idf_build_apps/junit
report.py	93	9	90%	82, 92, 109–111, 137, 144–145, 170
utils.py	29	10	66%	18, 26–35
idf_build_apps/manifest
if_parser.py	109	5	95%	62, 99, 105, 169, 174
manifest.py	219	11	95%	90, 92, 139, 161, 211–216, 306, 337–338, 357, 401
idf_build_apps/vendors
pydantic_sources.py	61	7	89%	35, 47, 66–69, 108, 115
TOTAL	2103	295	86%

Tests	Skipped	Failures	Errors	Time
108	0 💤	0 ❌	0 🔥	15m 44s ⏱️