KRAKEN QGIS 4 compatibility

<b>KRAKEN</b> (<i>Key RF Analytic Kit for Engineering Networks</i>) is a comprehensive QGIS plugin designed for RF & RAN Engineers to perform spatial signal analysis, propagation modeling, traffic load evaluation, KPI trend analytics, and network transport topology visualization. <br><br><b>Key Features:</b> <ul> <li><b>GCELL Generator:</b> Convert cell dump databases into spatial sector geometries with customizable azimuth, beamwidth, coverage radius, and layer colors.</li> <li><b>Timing Advance (TA) Analysis:</b> Visualize cell coverage range based on TA / TA90 / TA Array distribution to detect overshooting cells.</li> <li><b>Line of Sight (LOS) Check:</b> Analyze signal path clearance between cell and target locations considering Terrain DEM and Building DEM elevation profiles.</li> <li><b>Best Cell Analysis:</b> Identify and map dominant serving cells (Best Server) for selected location coordinates.</li> <li><b>Load Analysis:</b> Spatial traffic analysis via DL PRB Utilization & DL User Throughput. Supports Vertical and Horizontal Neighbor offloading target identification.</li> <li><b>KPI Trend:</b> Visualize historical performance metrics with multi-level time breakdown, custom KPI formulas & aggregations, and multi-object trend comparisons.</li> <li><b>Coverage Prediction:</b> Simulate and estimate RSRP signal coverage with multiple propagation models directly on the QGIS map canvas.</li> <li><b>Spider Graph:</b> Interactive visualization of spider lines from Measurement Report (MR) points to serving cells with dynamic styling support.</li> <li><b>CrossFeeder Detection:</b> Instantly spot antenna feeder swaps with clear MR-to-cell spider line tracking.</li> <li><b>Transport Topology:</b> Visualize route paths, link hops, and transport connectivity between network nodes.</li> </ul> <br><b>Contributors:</b> <ul> <li>Denta : Patch support PostGre KPI Data Source & KPI Chart Style</li> <li>Denta : New feature Crossfeeder detection</li> </ul>