Refactor session state initialization and processing in ClientSummary and Sem_PPC classes for improved clarity and error handling

Enhance threading support for uploading client and SEM/PPC data with improved session state management and error handling

Refactor upload handling in client_summary and sem_ppc classes for improved user feedback and session state management

Implement thread-safe handling for uploading client and SEM/PPC data with progress updates

Update spinner messages to reflect file upload actions across multiple classes

Initialize session state for video ads and update debug information to use local variables

Update debug information keys and checkbox labels to include 'Google Ads' and 'SEMRush' for clarity

Add Sem_PPC class for managing Google Ads input and telemetry collection